What was found
N2 INDICATIONS BOTH ENGINES ON TRIPLE TAC INOP / WENT TO ZERO IN FLIGHT. REPLACED TRIPLE INDICATOR RPM IAW AMM 62-41-00, 4-3. T/F COMPLETED IAW AMM 05-60-00, 6-12, CHECK FOUND GOOD.
- Difficulty date
- December 10, 2021
- Submitted
- December 10, 2021
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 07720099123
- Aircraft time
- 2,958 hours
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Indicator
- Part number
- B771M40C1005
- Part serial
- 00784
- Condition
- Faulty
- 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.