What was found
TAIL ROTOR GEARBOX WAS RECEIVED FROM SUPPLY WITH CORROSION AND PITTING IN MOUNTING HOLES.
- Difficulty date
- April 20, 2023
- Submitted
- April 20, 2023
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 07720239154
- Aircraft time
- 4,070 hours
- System (JASC)
- 6700 · Rotorcraft Flight Control
- Part
- Gearbox
- Part number
- 4639003013
- Part serial
- 3634
- Condition
- Corroded
- Location
- T/R
- 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.