| 86-22-5 |
Gates-Lear |
Supersedes 84-20-6 | install flap bracket/stiffner | all 23, 24, 25, 28, 29, 35 (thru SN 598), 36 (thru SN 055), 55 (thru SN 121) |
| 86-22-4 |
Hiller |
Supersedes 80-14-12 | 25-hr blade inspection; 100-hr spar inspection; 1000-hr blade o'haul | UH-12E,4,-T |
| 86-22-10 |
Collins |
Modify DME-42; see Collins DME-42 SB 6 |
| 86-21-8 |
Aerospatiale |
Inspect/repair battery leakage | TB-10 & TB-20 (SN 1 thru 441) |
| 86-21-7 |
Beech |
Superseded by 87-20-2 |
| 86-21-6 |
BAE |
Modify wiring | 125-800A |
| 86-21-5 |
BAe |
Inspect/repair eng mount for Garrett TFE 731-3R-1H | HS125-700A |
| 86-21-3 |
BAe |
Inspect wiring; install wiring protection | approx cost $240 | 125-800A |
| 86-21-10 |
Piper |
Revise POH & flight manual; see SB16A | PA-42-100 (thru SN 42-55527033) |
| 86-21-1 |
Aerospatiale |
Inspect & replace rotor head sleeves | SA 365 series |
| 86-20-7 |
MDHC |
Supersedes 81-17-2 | install T/R drive shaft fail safe device | Hughes 500 (369) |
| 86-20-6 |
Bell |
Replace M/R drag brace assembly | 214ST(thru SN 28159), 214B(thru SN 28070) |
| 86-20-3 |
Beech |
Superseded by 87-4-24 |
| 86-20-13 |
Allison |
Inspect gas generator turbine locknut torque | 260-C28;-C-30 series |
| 86-20-12 |
Cessna |
Periodically penetrant inspect eng mount beams or install SK404-40 | 404 |
| 86-20-11 |
Piper |
Replace ammeters | all PA-44-180T |
| 86-20-10 |
Rolls-Royce |
Install high pressure nozzle guide vane | Dart MK 511 - series |
| 86-20-1 |
Mitsubishi |
Supersedes 85-4-3 | modify pitot & anti-ice sys | MU2 series (SN 1 thru 753) |
| 86-19-15 |
Aerospatiale |
Revised 12/86 | replace M/R starflex sleeves each 1400 hrs | AS350; AS355 |
| 86-19-14 |
Sikorsky |
Replace certain tail rotor blades | S-76A, B |
