What was found
DURING COMPLIANCE WITH 3000 HR O/H OF THE F/W UNIT ASSY, THE ADAPTER WAS DISCARDED DUE TO PITTING AND CORROSION BEYOND MFG LIMITS.
- Difficulty date
- July 13, 2012
- Submitted
- July 17, 2012
- Operation
- Air carrier
- Aircraft
- N667AL
- Make and model
- Bell 407
- Aircraft serial
- 53624
- Aircraft time
- 5,445 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 6310 · Engine/Transmission Coupling
- Part
- Adapter
- Part number
- 406040542107
- Part serial
- 1675
- Condition
- Corroded
- Location
- Freewheel Unit
- Component
- Freewheel Unit · Bell
- Component part number
- 406040500143FM
- 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.