| 99-7-10 |
Industrie Aeronautiche |
AD Rescinded | Piaggio P-180 |
| 99-7-1 |
Sikorsky |
Supersedes 99-5-1 | Insert information into RFM | S-76C |
| 99-6-5 |
Pilatus |
Remove "Alternate Flap System" from flight controls | PC-12, 12/45 |
| 99-6-4 |
Eurocopter |
Inspect specified circuit braekers; replace as directed | AS332C, L, L1, L2 |
| 99-6-3 |
Eurocopter |
Check specified numbers on main rotor head frequency adapter; replace as directed | AS-365N, N1, N2 |
| 99-6-2 |
Fairchild |
Superseded by 05-6-13 |
| 99-6-17 |
Pilatus |
Install support bracket and cut out relay with wiring adjustments for second generator control unit to prevent excessive voltage to second generator | PC-12 |
| 99-6-15 |
Bell |
Superseded by 00-14-16 |
| 99-6-1 |
New Piper |
Recurringly inspect horizontal stablizer rear spar in the area of outboard hinge attachment & bracket; modify if cracked | PA31-300,-325,-350; PA31P-350 |
| 99-5-9 |
New Piper |
Replace induction air filter | Various aircraft |
| 99-5-7 |
Bell |
Create retirement index number for specified bearing bolts; remove bearing bolts as directed | 214B, B-1 |
| 99-5-14 |
Eurocopter |
Inspect upper & lower blade surfaces of each blade cuff; replace blade if cracked | Specified SA 315B; 316B, C; 319B; 3160 |
| 99-5-13 |
Raytheon |
Withdrawal issued July 2000 |
| 99-5-1 |
Sikorsky |
Superseded by 99-7-1 |
| 99-4-9 |
Rolls Royce |
Perform initial & repetitive fuel burner fuel flow calibration checks & overhaul or replace of fuel burners as directed | G-159 |
| 99-4-4 |
Text-Lyc |
Recurringly inspect & replace components of magneto impulse coupling for specified conditions | O-540 models |
| 99-4-15 |
Porsche |
Replace all valve springs as directed | 3200 N01, N02, N03 |
| 99-4-14 |
Schweizer |
Inspect adhesive bead around perimeter of each abrasion strip & bond line between each strip & blade skin & inspect strip; restore bead or replace blade as directed | Specified 269C-1 |
| 99-4-13 |
Bell |
Review records for yoke bending loads that could cause failure of tail rotor yoke. Replace as directed | 214ST |
| 99-4-12 |
MDHC |
Inspect specified coupling assemblies installed on main transmission & on overruning clutch; replace if pitting in splines | 369D,E,FF,H; 500N; 600N |
