What was found
TRIPLE TACH WOULD NOT MOVE AT IDLE DURING START RUN-UP. REMOVED AND REPLACED TRIPLE TACH IAW AMM 62-41-00, 4-3; MOC SUCCESSFULLY COMPLETED.
- Difficulty date
- June 4, 2026
- Submitted
- June 5, 2026
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9815
- Aircraft time
- 3,715 hours
- System (JASC)
- 6340 · Rotor Drive Indicating System
- Part
- Indicator
- Part number
- B771M40C1005
- Part serial
- 212
- Condition
- Stuck
- Location
- Triple Tach
- 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.