| 98-15-13 |
Raytheon |
Check aircraft records for specified fuel hose replacements that can cause fuel flow interruption. | Various King Air's |
| 98-14-8 |
Robinson |
Remove specified forward main rotor drive flexplate and replace in accordance with service bulletin. | R22 |
| 98-14-7 |
Cessna |
Modify the lower forward doorpost to prevent structural cracking in accordance with service bulletin. | 172R |
| 98-14-3 |
AlliedSignal |
Replace two resistor network transponder modules to prevent transmission of misleading information. | Various aircraft |
| 98-14-1 |
Eurocopter |
Inspect main gearbox cross-beam for cracks that can cause failure and rotation of the main gearbox. | Various AS350,AS355 models |
| 98-13-8 |
Pilatus |
Superseded by 99-14-3 |
| 98-13-7 |
Piaggio |
Conduct check of lavatory water hose connections to prevent leaking water from freezing in rudder system. | P-180 |
| 98-13-41 |
Cessna |
To prevent loss of aileron and elevator control, inspect cable for wear and proper routing. | 172R |
| 98-13-39 |
Eurocopter |
Perform dye penetrant inspection on each tail rotor shaft flapping hinge retainer to prevent loss of tail rotor. | AS332C,L,L1 |
| 98-13-30 |
Gulfstream |
Revise limitations section of flight manual to prevent engine overspeed. | G-I(G-159) |
| 98-13-28 |
Agusta |
Preform inspection of each tail rotor blade for debonds to prevent loss of the tip fairing. | A109C,A109K2 |
| 98-13-2 |
Raytheon |
Superseded by 02-21-13 |
| 98-13-15 |
Dassault |
Inspect wing-to-fuselage fairings for cracks at attaching holes to prevent the loss of the fairing. | 200,20 |
| 98-13-10 |
Cessna |
Superseded by 00-2-14. |
| 98-12-9 |
AlliedSignal |
Check fuel manifold for specified part numbers that can cause fuel leakage and engine fire. | TPE331-8,-10,-11,-12 |
| 98-12-8 |
Eurocopter |
Inspect main gearbox strut attachment for cracks that can reduce strength and cause failure. | SA-365N,N1,N2 |
| 98-12-30 |
MDHC |
Recurringly inspect hub assembly; replace if cracked | Specified MD-900 |
| 98-12-29 |
Lucas Air |
Visually inspect the hoist cable for damage to prevent failure and possible entanglement with the main rotor. | SA360,SA365 |
| 98-12-22 |
Bell |
Shim tail rotor drive system bearing supports in accordance with service bulletin to prevent possible loss of tail rotor. | 407 |
| 98-12-21 |
Eurocopter |
Superseded by 00-2-32. |
