What was found
MGB L/H SUMP CHIP DETECTOR RETAINING GROOVES WORN BEYOND ACCEPTABLE PUBLISHED MANUFACTURE LIMITS AS RECEIVED FROM OVERHAUL CONDITION.
- Difficulty date
- August 9, 2021
- Submitted
- August 18, 2021
- Operation
- Air carrier
- Aircraft
- N639MM
- Make and model
- Agusta AW139
- Aircraft serial
- 41216
- Aircraft time
- 8,905 hours, 16,530 cycles
- System (JASC)
- 6320 · Main Rotor Gearbox
- Part
- Chip Detector
- Part number
- 3G6340V01451
- Part serial
- 10261
- Condition
- Damaged
- Location
- Main G/B
- Part time
- 4,997 hours, 12,532 cycles
- Component
- Gearbox · Agusta
- Component part number
- 3G6320A00134
- 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.