Yak-50 Service Bulletins
|
YAK Bulletin |
Description |
Applicable Serial Nos |
|
TK-02DK |
a)
Replacement of Thermo-valve 2281A.010 of Oil Cooler.
B) The solution M5/18-76 about unification of oil cooler for Yak 50
& Yak 18T |
0101
to 0810 |
|
2-50-002DK |
Action
to avoid design faults |
0102
to 0310 |
|
2-50-003DK |
Fin
rear spar housing reinforcement |
0102
to 0604 |
|
2-50-004DK |
Tailskid
substitution 504700-00 with 504700-100 |
0201-2304 |
|
2-50-006DK |
4th
Wing rib reinforcement |
0102
to 0810 (excluding 0109, 0110, 0203, 0204, 0206, 0207, 0208, 0302,
0305, 0306, 0307, 0308, 0309, 0603, 0607, 0608, 0610 |
|
2-50-007DK |
Shoulder
harness attachment point reinforcement |
0102
- 0710 |
|
2-50-008DK |
Fuel
tank filling cap replacement |
0102
- 0803, excluding 0802 |
|
2-50-010DK |
Attachment
point compressors Intake tube replacement |
0102
to 0605 |
|
2-50-011DK |
Skin
reinforcement between power stringer & frame 0-1 |
0102
- 0810 |
|
2-50-012DK |
Fuel
tank replacement & install fuel gauge |
0102
to 0810 |
|
2-50-013DK |
Frame
#3 web and access doors edging reinforcement |
0102
- 0810 |
|
2-50-14DK |
Aileron
attachment point on 9th wing rib reinforcement - substitute bushing
502000-33 with 502000-42 |
0606
- 0810 |
|
2-50-015DK |
Elevator
attachment point on Stabiliser Reinforcement |
0102
- 0810 |
|
02-50-16DK |
Frame
500113-00 modification |
0106
- 1106 |
|
2-50-018DK |
Seat
mounting modification & Harness replacement |
0102
- 0305 |
|
2-50-019DK |
Carb
intake dust filter Modification |
0102
- 0810 |
|
2-50-020DK |
Pipe
Connecion replacement |
Superseded
by 2-50-45 |
|
2-50-021DK |
remove
faults in attachment point 500113-01, 500113-02 and in fuselage spar
500113-00 |
0102
- 1106 |
|
2-50-022DK |
Increase
rigidity of fuel tank floor |
0102
- 0810 |
|
2-50-023DK |
re-design
of gear cover |
0102
- 1010 |
|
2-50-024DK |
#3
Spar frame reinforcement |
0501
- 1007 |
|
2-50-025DK |
Power
cable protection from short circuit |
0102
- 1106 |
|
2-50-026DK |
Replacement
of voltage converter attachment panel |
0102
- 1010 |
|
2-50-27DK |
Accelerometer
attachment fitting |
0910
- 1106 |
|
2-50-028DK |
Ground
pneumatic unit modification |
0102
- 0810 |
|
2-50-029DK |
Frame
O Modification |
0102
- 1204 |
|
2-50-030DK |
Fitting
of regulator R1 replacement |
0102
- 0810 |
|
2-50-031DK |
50-7207-70
DC board installation |
0102
- 0810 |
|
2-50-032DK |
7th
Frame reinforcement |
0102
- 1104 |
|
2-50-033DK |
Fittings
500110-58 replacement |
0102
- 1110 |
|
2-50-035DK |
Aileron
control fitting505400-100 replacement with reinforcement fitting
505400-150 |
0101
- 1305 |
|
2-50-036DK |
Carb
heater Box |
0102
- 1210 |
|
2-50-037DK |
Wing
spar 1st rib reinforcement |
0102
- 1310 |
|
2-50-038DK |
System
|
0102
- 1205 |
|
2-50-039DK |
Exhaust
manifold Mod |
1105
- 1304 |
|
2-50-040DK |
reinforcement
of attachment point on aileron on 9th wing rib |
0102
- 0605 |
|
2-50-041DK |
Anchor
Nut replacement with rivit extra to SB 2-50-016DK |
0102
- 1106 |
|
2-50-042 |
Check
rivet joints of attachment of wing skin to spar from 1st to 7th ribs |
|
|
2-50-045 |
Pipe
connection 506100-02 replacement |
0102
- 1510 |
|
2-50-046 |
End
Flange of Elevator replacement |
0102
- 0410 |
|
2-50-044DK |
replace
non return valves with 998A-4 |
0102
- 1404 |
|
2-50-047DK |
Fuselage
modification near bean 500113-100 |
0102
- 1610 |
|
2-50-048DK |
Periodic
magnetic NDT of wing attachment point and replacement |
0102
- 1106 |
|
2-50-050DK |
Oil
tank check |
0102
- 1607 |
|
2-50-051DK |
Engine
mount modification |
0102
- 1606 |
|
2-50-52 |
Oil
tank air intake check |
0102
- 1607 |
|
2-50-53DK |
Wing
attachment bolts replacement |
0102
- 1706 |
|
2-50-55DM |
Replacement
of brake fitting on control stick |
0201
- 1905 |
|
2-50-56 |
Locking
fuel tanks filling cap |
|
|
2-50-060DK |
replacement
of oil dilution valve |
0201
- 1902 |
|
2-50-061DA |
Wing
Spar Mod 1st - 2nd ribs and installation of plates near 1/2nd ribs |
0102
- 2007 |
|
2-50-063DK |
Installation
of 505201-00 pedals restrictive bushing |
0201
- 1207 |
|
2-50-065DK |
reinforcement
of 12th frame near cutout for 7th stringer and skin near the frame |
0201
- 2104 |
|
2-50-068BY |
replacement
of battery type 24.19C with 12 |
0201
- 2304 |
|
2-50-072BU |
Emergency
landing gear valve wire locking |
All
- Issued 1984 |
|
2-50-073BU |
Clarification
of the bulletin 2-50-068BU |
0201-2304 |
|
2-50-074BU |
Changing
SARPP-12N switch installation |
1008-2803 |
|
2-50-075BU |
Locking
of screws for the landing gear extracted
position adjustment |
0201-2710 |
|
2-50-076BU |
Pilot
harness modification |
0201-2902 |
|
2-50-079DK |
Fuselage.
Center section 500113-100SB Modification |
1201-2806 |
|
2-50-080BR |
Preset
torque tightening of attachment nuts for propeller pitch control linkage
bracket |
All
- Issued 1985 |
|
2-50-085BU |
Additional
locking of bolted connections in control system |
1201-3110 |