What was found
ENGINE #2 N2 TACHOMETER READING FELL TO ZERO AFTER 2 HOURS OF FLIGHT. REMOVED AND REPLACED SPEED SENSOR IAW 77-12-00-900-801-A01. TEST FLIGHT SUCCESSFULLY COMPLETED.
- Difficulty date
- April 13, 2022
- Submitted
- April 13, 2022
- Operation
- General aviation
- Make and model
- Bolkms BK117C2
- Aircraft serial
- 08720759252
- Aircraft time
- 2,933 hours
- System (JASC)
- 7711 · Engine Pressure Ratio (EPR)
- Part
- Sensor
- Part number
- 9550104500
- Part serial
- 0172
- Condition
- Warning Light
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.