| 97-4-3 |
Allied Signal |
Replace first LPT seal plates w/serviceable parts | TFE731-2A,-3C,-3CR |
| 97-4-15 |
Pacific Scientific |
Inspect electrical receptacle of fire extinguisher cartridge & its mating connector; remove any aluminum foil | Sabre NA-265-60,-65,-75A |
| 97-4-12 |
Pratt & Whitney |
If compressor BOV cover stamped w/8070 but not RE71, inspect cotter pin for wear & guide shaft pin for movement; if unacceptable, modify or replace compressor BOV; replace cotter pin; stamp bleed valve assembly w/RE71 | PT6A series turbo |
| 97-3-7 |
Raytheon |
Repetitively inspect left & right MLG sidestay assembly jack pivot for cracks; replace assembly if cracked or at specified number of landings | Hawker 1000, 800, BAe/DH/BH/HS 125 series |
| 97-26-9 |
Augusta |
Repetitively perform magnetic particle inspection of Gleason crown. Replace if cracking detected. | A109 series |
| 97-26-8 |
Mooney |
Remove nylon tape material from both fuel filler cap assemblies in accordance with service bulletin. | M20F,M20J,M20L |
| 97-26-3 |
Eurocopter |
Inspect main rotor flange for cracking. Replace if cracked. | BK 117 |
| 97-26-2 |
Eurocopter |
Inspect main rotor mast flange for cracking. Replace if cracked. | BO 105 |
| 97-26-17 |
Tele-Cont |
Supersedes 87-23-8 | Conduct ultrasonic inspection of crankshaft to detect vaccum arc manufacturing process. Replace in accordance with service bulletin. | IO-360,LTSIO-360,TSIO-360,IO-520,LIO-520,LTSIO-520, TSIO-520 |
| 97-26-16 |
Cessna |
Supersedes 85-13-3 | Inspect engine mount beams for cracks at specified intervals. Replace or repair in accordance with service bulletin. | 402C,414A |
| 97-26-14 |
Maule |
Amend airplane flight manual to prevent throttle lever being positioned below flight idle stop. | MX-7-420 |
| 97-26-12 |
Piper |
Amend airplane flight manual to prevent throttle levers being positioned below flight idle stop. | Cheyennes |
| 97-26-10 |
Raytheon |
Modify aft core cowl nozzles of both engine nacelles to prevent failure of overspeed system. | Hawker 1000 |
| 97-25-9 |
Allison |
Replace affected helical power takeoff gearshaft assembly. | Bell 430 |
| 97-25-8 |
Gen Elect |
Remove and repair affected turbine torque rings and compressor drive shafts in accordance with service bulletin. | GE CJ610 & CF700 engines on Lear 20 series, Westwind, Commodore Jet, Falcon 20, Sabreliner 75 |
| 97-25-5 |
Robinson |
Replace carburetor and CAT gauges in accordance with service bulletin. | R-22 |
| 97-25-4 |
Cessna |
Amend airplane flight manual to prevent throttle levers being positioned below flight idle stop. | 208,425,441 |
| 97-25-3 |
Raytheon |
Amend airplane flight manual to prevent throttle levers being positioned below flight idle stop. | Various Beech models |
| 97-25-2 |
Mitsubishi |
Superseded by 10-10-17 |
| 97-25-11 |
Bombardier |
For aircraft with STC SA6003NM, modify remote fuel panel in accordance with service bulletin. | CL-601 |
