What was found
ON TAKEOFF, ROTOR RPM WARNING LIGHT AND NRO NEEDLE ON TRIPLE TACH WENT TO ZERO. REMOVED AND REPLACED ROTOR RPM SENSOR IAW AMM 63-21-00, 5-1.
- Difficulty date
- July 30, 2026
- Submitted
- July 30, 2026
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9702
- Aircraft time
- 4,508 hours
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Sensor
- Part number
- 430106202
- Part serial
- 2416917343450
- Condition
- Faulty
- Location
- Rotor Tach
- Stage of operation
- TO
- 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.