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YAK-52 AIRCRAFT, BULLETINS ISSUED BY S.C. AEROSTAR S.A. UNTIL MAY 2000 |
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Item |
Bulletin No. Original /translation record No. |
Content in Brief |
Bulletins applicable to the following series? |
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1 |
152.0.001.1 (1 DK) K1/K0124 |
Assurance of bonding of the elevator and the engine lower cowling |
780102-790404 |
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2 |
152.0.0002.1 (2 DK) K54/K0123 |
Replacing the oil tank with sump of soldered design by oil tanks with sump of welded design |
780102-790406 |
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3 |
152.0.0009.2 (3 DK) K2/K068 526803-00
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780102-811215 527001-80 |
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4 |
152.2.0010.2 (4 DK) K3/K069 |
Improving the effectiveness of the AK-50T compressor cooling |
780102-800815 |
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5 |
NOT APPROVED (5 DK)
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Replacing the engine control lever with pushbuttons by engine control lever with 2T pushbuttons |
NOT APPROVED |
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6 |
152.1.0.003.1 (6 DK) KP- K4/K0124 |
Replacing the PK-45 starting solenoid with a 4716 starting solenoid |
780102-800605 |
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7 |
152.1.0.004.1 (7 DK) K5/K0126 |
Removing the PPNG-15K (E 19) switch "FRONT COCKPIT GENERATOR - OFF - REAR COCKPIT" |
780102-800815 |
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8 |
152.2.0.006.2 (8 R) K6/K070 |
Replacing the control bolt 3059A-4-40 and the control bushing 1363950-5-7-8 for fastening the braking lever 525103.01 onto the sleeves of nuts 525103-00 and 525104-00 by the bold 3059A-6-40 and the bushing 525100-92 |
781102-801103 |
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9 |
152.2.0.0011.2 (9 DK), K7/K071 |
Strengthening of the fin skin |
780102-811212 excl. 790204; 790205; 790301; 790309 and 800909 |
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10 |
152.2.0.0012.2 (10 DK) K8/K072 |
Improving the effectiveness of the engine cooling |
78102-800815 |
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11 |
152.1.0.005.2 (11 E) K9/K073 |
Stating the fuel tank operating life in flight hours |
800802-801006, include. 800708 |
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12 |
152.3.0.0015.2 (12 R) K10/K0127 |
Improving the operating capability of the reliability of the pneumatic system |
780102-800815 |
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13 |
152.5.0.0020.2 (13 BD) K11/K074 |
Modifying the ventilating and air charging device of the pneumatic system |
780102-84 4415 |
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14 |
152.2.0.0007.4 (14 IK) K12/K075 |
Advisory bulletin referring to the modifications implemented in the serial production |
780102-790105 |
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15 |
152.2.0.0008.4 (15 E) K14/K077 |
Defining the propeller operating life |
780102-790105 |
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16 |
152.2.0.0013.3 (17 DM) K14/K077 |
Replacing the over-voltage protection circuit breaker AZP-1MB by a circuit breaker AZP-A2 |
780102-811707 |
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17 |
CANCELLED (16DK) |
Replacing the 506500-10 bracket by the 526100-10 bracket |
CANCELLED |
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18 |
152.3.0.0016.1 (18DA) K15/K0128 |
Replacing the bolts used for fastening the elevator balance weight by rivets |
780101-822501 |
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19 |
152.4.2.0019.2 (19 R) |
Replacing the storage battery type "VARLEY" by a storage battery type 12ASAM-23 |
78012-822714 |
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20 |
NOT APPROVED (20 DK) |
Strengthening the fitting 52683-62 |
NOT APPROVED |
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21 |
152.2.0.0014.4 (21 E) K17/K079 |
Defining the operating life of the engine mount ring |
780102-821915 |
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22 |
CANCELLED (22 IK)
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Advisory bulletin concerning the modifications adopted in the serial production |
CANCELLED |
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23 |
152.3.3.0017.4 (23 E) K18/K080 |
Defining the operating life for the airspeed indicator US-450 and the pressure transducer B |
822301-822307 |
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24 |
CANCELLED (24 DM) |
Installing the critical angle warning device SSKUA-1 on the airplane |
CANCELLED |
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25 |
152.3.0.0018.4 (25 E) K19/K0155 |
Defining the oil thinning table and the diameter of the fuel to oil intake nozzle |
780102-822615 |
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26 |
CANCELLED (26 DA) |
Modifying the overload limit thresholds for the altimeters AM-9S |
CANCELLED |
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27 |
CANCELLED (27DK) |
Securing the valve of the "VARLEY" accumulator connector |
CANCELLED |
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28 |
152.5.0.0021.2 (28 DA) K20/K081 (18 DA) |
A. Modifying the attaching manner of the elevator balance weight. B. Replacing the fin masking tapes C. Strengthening the fin masking tapes D. Defining the bulletin 152.3.0.0010.1 |
Spare parts kits 8010001-8203024
Spare parts kits 8010001-8310048 780102-822115 |
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29 |
152.5.0.0025.4 (29 BE) K21/K082 |
Advisory bulletin concerning the changes adopted in the serial production |
780102-844415 |
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30 |
152.5.0.0022.2 (30BD) K22/K083 |
Replacing the R-2 governor control lever |
78-102-844415 |
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31 |
CANCELLED (31 DK) |
Replacing the draining pipe from the fuel system |
CANCELLED |
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32 |
152.5.0.0023.3 (32 BU) K23/K084 |
Replacing the bar 527202-50-9 from the switch panel |
780102-833715 |
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33 |
NOT APPROVED (33 IK) |
Advisory bulletin concerning the punch locking of the bolt attaching the middle belt to the fuselage |
NOT APPROVED |
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34 |
152.5.0.0024.2 (34 BD) K24/K085 |
Replacing the nipple 526100-02 a the fuel pump intake |
780102-844915 |
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35 |
CANCELLED (35 DM) |
Replacing the pilots' seat belts |
CANCELLED |
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36 |
152.5.0.0026.2 (36 BD) K25/K0130 |
Replacing the bracket 526500-10 from the R-2 governor control system |
780102-855707 |
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37 |
152.5.0.0027.2 (37 BD) K26/K0132 |
Replacing the brackets 522007-10 1/2 for suspending the aileron |
780102-855615 |
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38 |
152.5.0.0028.2 (38 R) K27/K0131 |
Modifying the overload limit thresholds for the altimeters AM-9S |
780102-855815 |
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39 |
152.5.3.0042.2 (38 DK) K28/K086 |
Replacing the wheels 525400-50 for operating the elevator trim tab from the front and rear cockpits |
780102-844915 |
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40 |
152.5.3.0042.2 K29/K087 |
Marking the PVD pipes |
780102-855315 |
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41 |
152.7.0.0039.3 (41 R) K30/K088 |
Removal of the AD-50 pressure switch |
78-102-825215 excl. 833710 and 845001 |
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42 |
152.6.2.0030.2 (42 DK) K31/K0115 |
Advisory bulletin concerning the changes adopted in the serial production |
780102-855607 |
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43 |
CANCELLED (43 DM) |
New design of the shock-absorber from the PVD system |
CANCELLED |
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44 |
152.6.0.0034.2 (44 R) K32/K089 |
Replacing the rudder trim tab |
78-102-856105 excl. 856001 |
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45 |
152.6.0.0031.2 (45 DK) K33/K0133 |
Modifying the fitting 526802-10 and mounting the collar 526802-17 |
780102-855815 |
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46 |
CANCELLED (46 DK) |
Replacing the pipe at the compressor |
CANCELLED |
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47 |
152.6.0.0032.2 (47 R) K34/K0134 |
Replacing the collar 526200-30 for fastening the draining tank in the oil system |
780102-855815 |
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48 |
152.6.0.0033.2 (48 R) K35/K0135 |
Improving the design of the filter box |
78102-855915 |
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49 |
152.7.0.0040.3 (49 R) K36/K0136 |
Mounting the fuel tank on three brackets |
780102-856215 |
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50 |
CANCELLED (50 DK) |
Removing the screen of the wire connecting the adapter ARK-15M to the pole antenna filter |
CANCELLED |
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51 |
NOT APPROVED (51 DK) |
Thermal, insulation of the storage battery compartment |
NOT APPROVED |
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52 |
152.6.2.0035.2 (52 R) K28/K086 |
Replacing the wheels 525400-50 for operating the elevator trim tab from the front and rear cockpits |
780102-822714 |
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53 |
152.9.0.0072.3 (53 BU) K75/K0170 |
A. Replacing the existing control sticks by control sticks of new design B. Replacing the rear bearing 525101-50 |
780101-8910115
780102-866415 |
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54 |
152.7.0.0045.3 (54 R) 5 K38/K091 |
Advisory bulletin concerning the changes adopted in the serial production? A. Replacing all the safety washers B. Installing special washers 525900-38 and 52900-39 1/2 |
780101-85641 excl. 856001 |
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55 |
152.7.0.0049.3 (55 BU) K39/K0116 |
Replacing the wires at the transducers P1 6T by wires type BPGRL |
780102-867315 |
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56 |
152.6.0.0036.4 (56 BE) K40/K092 |
Defining the "Servicing instruction"
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780102-866415 |
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57 |
152.7.0.0050.2 (57 DK) K41/K0121 |
A. Replacing the exhaust manifold 526801-00 and the air heater 517601-00 B. Replacing the air heater 527601-00 and the fittings 526801-270 and 526801-190 C. Replacing the fittings 526801-270 and 526801- 190 |
780102-855115
855201-866515 |
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58 |
152.8.0.0059.2 (58 BD) K57/K0159 |
Additional stiffening of the throttle and propeller pitch levers:
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780102-866415 780102-877715 |
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59 |
152.6.0.0037.2 (59 R) K42/K093 |
Strengthening the wing joint |
780102-866415 |
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60 |
152.6.0.0038.2 (60 R) K43/K0192 |
Replacing the fuselage beam |
780102-866415 |
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61 |
NOT APPROVED (61 DK) |
Replacing the material for the undercarriage up lock balls |
NOT APPROVED |
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62 |
152.7.0.0043.2 (62 DK) K44/K094 |
Improving the security of the aileron balance weight |
856001-866915 |
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63 |
NOT APPROVED (63 DK) |
Replacing the ailerons |
NOT APPROVED |
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64 |
CANCELLED (64 DA) |
Inspection of the material for the control sticks pivots |
CANCELLED |
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65 |
NOT APPROVED (65 DK) |
Checking the wing-to-fuselage joint at frames C3 and C8 |
NOT APPROVED |
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66 |
152.7.0.0044.3 (66 R) K45/K095 |
Replacing the joining bolts at frames C3 and C8 |
780102-866515 |
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67 |
152.7.0.0046.3 (67 R) |
Fastening the fittings of the hot air intake filter box |
780102-866915 |
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68 |
152.7.0.0041.2 (68 BD) K47/K097 |
Securing the cock for adjusting the rudder pedal travel |
780102-86615 |
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69 |
152.7.0.0047.3 (69 BU) K48/K098 |
Strengthening the supports for fastening the inverter PT-200T |
780102-877615 |
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70 |
152.8.0.0060.3 (70 BU) K58/K0160 |
Improving the fastening of the rudder balance weight |
780102-877615 |
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71 |
152.7.0.0048.3 (71 BD) K49/K099 |
Replacing the draining tank 526202-00 |
780102-877615 |
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72 |
152.7.0.0051.2 (72 BD) K50/K0100 |
Checking the rotating assembly of the flap control system |
780102-867315 |
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73 |
152.7.0.0052.4 (73 BE) K51/K0101 |
Modifying the "Servicing regulation" as a result of the Bulletin 72 BD becoming effective |
780102-867315 |
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74 |
152.7.0.0054.3 (74 BU) K52/K0102 |
Mounting the propeller pitch and throttle quadrants limiters |
780102-834015 |
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75 |
152.8.0.0061.3 (75 BU) K65/K0195 |
Replacing the bracket 522007-10-1/2 for hanging the aileron on rib N7 and stiffening of the N7 rib tip wall |
780102-877515 |
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76 |
152.7.0.0055.2 (76 BD) K53/K0103 |
Replacing the ball joints body from the power plant control system |
780102-877503 |
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77 |
NOT APPROVED (77 BE) |
Modifying the "Servicing instruction" |
NOT APPROVED |
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78 |
152.8.0.0057.4 (79 BE) K66/K0193 |
Modifying the documentations accompanying the YAK-52 airplanes |
780102-877301 |
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79 |
152.8.0.0056.2 (78 BD) K65/K0158 |
Replacing the oil sump filter |
780102-888715 |
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80 |
152.8.0.0065.2 (80 BD) K61/K0196 |
Additional information to the bulletin 59R |
780102-888515 |
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81 |
152.9.0.0084.2 (81 BD) 780102-8910015 K84/K0181 |
Replacing the material for the front cockpit warning box |
Replacing the material for the front cockpit |
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82 |
152.8.0.0058.2 (82 BD) K59/K0161 |
Replacing the bracket for fastening the rudder to the fuselage |
780102-899015 |
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83 |
152.8.0.0067.2 (83 BD) K71/K0184 |
Stiffening the rib of the elevator trailing edge |
780102-888915 |
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84 |
152.9.2.0073.2 (84 BD) K74/K0175 |
Mounting the casing of the R-27 governor |
78-102-889009 except for the airplane 888615 |
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85 |
152.8.0.0062.3 (85 BU) K60/K0197 |
Mounting the flaps control seals |
780102-888713 except for the airplane 878415 |
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86 |
152.8.0.0063.4 (86 BE) K63/K0187 |
Modifying the "Servicing instruction" |
780102-888615 |
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87 |
152.8.0.0064.2 (88 BD) K64/K0194 |
Replacing the joint bolts at frames 3 and 8 Additional information to the bulletin 66R |
780102-888915 |
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88 |
152.8.0.0068.2 (87 BD) K68/K0185 |
Additional information to the bulletin 59R |
780102-866415 |
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89 |
152.9.0.0069.2 (89 BD) K60/K0188 |
Fuselage - machining of the beam |
780102-889115 |
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90 |
152.9.3.0078.2 (90 BD) K78/K0178 |
Removal of GA-6 and AGI-1 from both cockpits when performing highly acrobatic flights |
780102-889015 |
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91 |
152.9.0.0079.4 (91 BE) K79/K0176 |
Modifying the technical documentation as a result of applying the bulletin 90BD |
780102-889015 |
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92 |
152.9.0.0070.2 (92 BD) K70/K0163 |
Strengthening the aileron rib no. 1 |
780102-889215 |
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93 |
152.9.0.0.0071.2 (93 BD) K67/K0183 |
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780102-878315 780102-889115 780102-899015 |
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94 |
152.9.0.0077.2 (94 BU) K83/K0180 |
Removing the risk of water vapor freezing in the pneumatic system |
780102-889009 |
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95 |
152.9.0.0080.4 (95 BE) K80/K0165 (K0173) |
Modifying the technical documentation due to entering in force of the bulletin 94 BD |
780102-889009 |
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96 |
152.8.0.0064.4 (96 BE) K62/K0186 |
Expanding the airplane lifetime up to the first overhaul |
780102-889303 |
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97 |
152.0.0.0089.2 (97 BU) K89/K0203 |
Modifying the belt system |
844701-9010815 |
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98 |
152.0.0.0090.2 (98 BE) K90/K0204 |
Modifying the technical documentation due to entering in force of the bulletin 97 BD |
844701-901815 |
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99 |
152.9.0.0083.2 (99 BD) K76/K0171 |
Strengthening the ventilating tubes of the generator and compressor |
780102-899915 |
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100 |
152.9.0.0074.2 (100 BD) K81/K0174 |
Securing the nuts for fastening the circuit breaker AZP-A2 |
780102-899515 |
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101 |
152.9.2.0081.2 (101 BD) K77/K0177 |
Strengthening the support for fastening the circuit breaker AZP-A2 |
780102-899515 |
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102 |
152.9.0.0075.4 (102 BE) K85/K0182 |
Defining the "Servicing instruction" for mounting the nose wheel |
780102-899415 |
|
103 |
152.1.0.0095.2 (103 BD) |
Separate draining for the fuel tank |
780102-899715 |
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104 |
152.1.0.0096.4 (104 BE)
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Modifying the technical documentation due to Bulletin 103 BD coming into force |
780102-899715 |
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105 |
152.9.0.0076.4 (105 BE) K82/K0179 |
Modifying the "Servicing regulation" concerning the routing of the control system cables |
780102-899615 |
|
106 |
152.9.0.0082.2 (106 BD) K72/K0164 |
Machining of the air heater valve |
780102-899815 |
|
107 |
152.1.0.0094.2 (107 BD) |
Mounting a strap for strengthening the wing longeron |
780102-9111215 |
|
108 |
152.0.0.0088.2 (108 BD) K86/K0198 |
Modifying the ball lock at the main leg actuator |
780102-888409 |
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109 |
152.0.0.0086.4 (109 BE) K73/K0172 |
Modifying the initial operating life established for the landing gear units from 5000 to 6000 landings |
780102-899815 |
|
110 |
152.0.0.0086.4 (110 BE) K87/K0199 |
Modifying the "Servicing regulation" and the "Servicing instruction" |
780102-899815 |
|
111 |
152.0.0.0091.4 (111 BD) K91/K0205 |
Strengthening the frame "O" |
780102-9010615 |
|
112 |
152.9.0.0087.2 (112 Bd) |
Modifying the passage of the control rods through the firewall and the engine baffler
|
780102-9010615
|
|
113 |
152.0.0.0092.2 (113 BD)
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B. Mounting the rubber gaskets on the r.h. canopy |
780102-9010915 |
|
114 |
152.0.0.0093.2 (114 BE) |
Modifying the technical documentation due bulletin 113 BD coming into force |
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