What was found
DURING 25 HOUR AD INSPECTION FOUND DISC PACK CRACKED. RECOMMENDATION TO PREVENT RECURRENCE: ALLOW TAIL ROTOR DRIVE TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN.
- Difficulty date
- July 14, 2001
- Submitted
- September 5, 2001
- Operation
- Air carrier
- Aircraft
- N547AL
- Make and model
- Bell 407
- Aircraft serial
- 53240
- Engine
- Allsn 250B*
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Disc Pack
- Part number
- 407340340101
- Condition
- Cracked
- Location
- Tail Rotor
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.