What was found
AD 97-22-15, 25-HOUR TAIL BOOM INSPECTION FOUND CRACKED DISCS NR 2 TO NR 3, NR 1 DISC IN PACK CRACKED, NR 5 TO NR 6 LOCATION NR 10 DISC IN PACK CRACKED. SUBMITTER RECOMMENDED FLOATING DRIVESHAFTS SIMILAR TO THE BELL 206 SERIES.
- Difficulty date
- November 10, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N437AL
- Make and model
- Bell 407
- Aircraft serial
- 53141
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Disc Pack
- Part number
- 406040340101
- Condition
- Cracked
- Location
- T/R Drive
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.