| 98-4-24 |
Raytheon |
Revise airplane flight manual limitations section to include new warning about operations in icing conditions. | 55,58,60,65,90,100,300 series |
| 98-4-23 |
Aerostar |
Revise airplane flight manual limitations section to include new warning about operations in icing conditions. | PA-60-600,601,602,700 |
| 98-4-22 |
Socata |
Revise airplane flight manual limitations section to include new warning about operations in icing conditions. | TBM-700 |
| 98-4-20 |
Partenavia |
Revise airplane flight manual limitations section to include new warning about operations in icing conditions. | P68;AP68TP-300,600 |
| 98-4-16 |
Pilatus |
Inspect aileron tie rod nuts for looseness in accoradnce with service bulletin. | PC-12 |
| 98-4-15 |
AlliedSignal |
Instigate new sechedule for removal of 3rd stage turbine stators in accordance with service bulletin. | Various TPE331 |
| 98-4-13 |
Rolls-Royce |
Remove and replace specified propeller torque switches. | Gulfstream G-1 |
| 98-4-12 |
Robinson |
Measure diameter of lateral cyclic trim spring shaft to detect excessive wear. Replace spring assembly if necessary. | R44 |
| 98-3-2 |
Bombardier |
Replace anti noise filter on APU unit fuel pump to prevent electrical arcing. | CL-600-1A11 |
| 98-3-16 |
New Piper |
Remove and replace upper rudder hinge bracket in accordance with service bulletin. | PA-38-112 |
| 98-3-15 |
MDHC |
Superseded by 98-15-26 |
| 98-3-1 |
Dassault |
To prevent fuel contamination, replace polyurethane foam in fuselage fuel tanks in accordance with maintenance manual. | Falcon 200 |
| 98-26-7 |
Rolls-Royce |
Remove & Replace specified HP fuel pumps| Specified Mk 521 |
| 98-26-6 |
Schweizer |
Clean & inspect driveshaft; replace if cracked and recurringle check bolts | Specified 269D |
| 98-26-10 |
Dassault |
Revise Limitations & Emergency Procedures Section of the AFM | Falcon 20 series; Fanjet series |
| 98-25-3 |
Cessna |
Inspect right wing for incorrectly routed, frayed, or damaged aileron control cable to prevent loss of aileron control. | 172R |
| 98-25-2 |
BFGoodrich |
Place appendix in airplane flight manual to prevent incorrect maneuvering of aircraft due to internal component failure of the SKY497 with top-monted antennas and improper display. | Various Aircraft |
| 98-25-13 |
McCauley |
Perform penetrant inspection of blade retention area; replace if cracked | Various Beech Bonanza's |
| 98-25-10 |
Aircraft Belts |
Revised 99-26 | Visually inspect all seat restraint systems to determine if the locking mechanism is engaging properly to prevent failure of the buckle assembly. | Various Aircraft |
| 98-25-1 |
Air Tractor |
Replace flap actuator overtravel stop to prevent interference between flap pushrod and aileron pushrod. | AT-300,301,302,400,401,402,501,502,503 models |
