What was found
AP1/TRIM FAIL DURING AUTOPILOT TEST, WITH "P" INDICATOR. REMOVED AND REPLACED DUPLEX TRIM ACTUATOR IAW AMM 67-14-00, 4-1. MTF SUCCESSFULLY COMPLETED IAW RFM AND AMM 05-60-00, 6-12.
- Difficulty date
- September 1, 2026
- Submitted
- September 1, 2026
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9125
- Aircraft time
- 4,835 hours
- System (JASC)
- 6700 · Rotorcraft Flight Control
- Part
- Actuator
- Part number
- 41800878001
- Part serial
- 1823
- Condition
- Failed
- Location
- Autopilot
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- F
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.