What was found
ENG 1 OVSP FAIL CAUTION DURING HOVER TAXI. REMOVED AND REPLACED #1 ENGINE OVERSPEED SENSOR. COMPLETED OVERSPEED TEST IAW AMM 05-60-00, 6-1 AND 77-14-00-900-802-A01.
- Difficulty date
- July 23, 2025
- Submitted
- July 23, 2025
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9817
- Aircraft time
- 3,617 hours
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Sensor
- Part number
- 9580115910
- Condition
- Failed
- Location
- Zone 200
- Stage of operation
- HO
- How discovered
- O
- Nature of condition
- F
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.