What was found
DURING 25 HOUR AD INSPECTION, BROKEN DISC IN DISC PACK. ALLOW TAIL ROTOR DRIVE SHAFT TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR AS OFTEN.
- Difficulty date
- December 20, 2001
- Submitted
- January 17, 2002
- Operation
- Air carrier
- Aircraft
- N577AL
- Make and model
- Bell 407
- Aircraft serial
- 53247
- Engine
- Allsn 250C47B
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Disc Pack
- Part number
- 407340103
- Condition
- Broken
- 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.