What was found
TRIPLE TACH WOULDN'T PASS SELF TEST ON START UP
- Difficulty date
- December 27, 2022
- Submitted
- December 27, 2022
- Operation
- General aviation
- Aircraft
- N140SF
- Make and model
- Bolkms BK117C2
- Aircraft serial
- 9389
- Aircraft time
- 6,511 hours
- System (JASC)
- 7700 · Engine Indicating System
- Part
- Tachometer
- Part number
- B771M40C1003
- Part serial
- 00544
- Condition
- Failed
- Stage of operation
- AA
- How discovered
- C
- Nature of condition
- G
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.