| 80-13-3 |
Mooney |
Replace Duke fuel pump 4140-00-19A | M20E, -F, -J (all thru SN 24-1030) |
| 80-13-14 |
Cessna |
Revised 7/80 | replace fuel flow transducer | 300 & 400 series |
| 80-13-13 |
deHavilland |
If on floats, modify front strut | DHC-6 |
| 80-13-12 |
deHavilland |
Revised 6/81 | modify eng nacelle longerons | DHC-6 (1 thru SN 631) |
| 80-13-11 |
deHavilland |
Revised 8/83 | periodically inspect control rods | all DHC-6 |
| 80-13-10 |
deHavilland |
Periodically inspect Y-joint weld in main gear | all DHC-6 |
| 80-12-8 |
Piper |
Superseded by 80-19-14 |
| 80-12-5 |
BAe |
Revised 3/83 | inspect & rework or replace bridge casting after 2000 landing, then yearly or after 600 landing | HS/DH/BH 125 |
| 80-12-4 |
Aerospatiale |
Inspect tail rotor blades every 5 hrs | SA-330 series |
| 80-12-3 |
Piper |
Replace nose gear downlock | PA-44-180 (all thru SN 44-8095020) |
| 80-12-14 |
Piper |
Install metal fairing in eng nacelles | 600, 601, 601P (all thru SN -0799) |
| 80-12-13 |
BAe |
Modify eng mount beam | see AD for SNs | DH/BH/HS-125 thru NA-0218 |
| 80-12-11 |
Sikorsky |
Deleted 4-13-81 | supersedes 79-20-9 |
| 80-12-10 |
BAe |
Revised 1/83 | Supersedes 78-8-3 | modify flaps | DH/BH/HS-125 thru -0245 |
| 80-11-9 |
Piper |
Superseded by 83-5-4 |
| 80-11-7 |
Robinson |
Supersedes 80-8-8 | replace main rotor blades | R22 |
| 80-11-6 |
Piper |
Superseded by 12-10-9 |
| 80-11-4 |
Cessna |
Supersedes 78-7-10 | replace nut plates in tail assembly | 150, A150; 152, A152 |
| 80-11-2 |
Piper |
Superseded by 80-22-13 |
| 80-10-4 |
Bell |
Revised 2/81 | install improved tail rotor blades | 47 series |
