What was found
WHILE CHANGING TRANSMISSION ASSEMBLY, TECHNICIAN NOTICED PYLON RETAINING BOLT WASHER PN:140-007-25S22E6 CRACKED ALL THE WAY THROUGH ON ONE SIDE.
- Difficulty date
- July 23, 2024
- Submitted
- July 24, 2024
- Operation
- Air carrier
- Aircraft
- N390SF
- Make and model
- Bell 407
- Aircraft serial
- 53407
- Aircraft time
- 9,230 hours, 31,585 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Washer
- Part number
- 14000725S22E6
- Part serial
- NA
- Condition
- Cracked
- Location
- Zone 200
- 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.