What was found
TACH BOX INTERNAL MALFUNCTION. REPLACED TACH BOX. CAUSE PROBLEM: DUE TO BLEED VALVE UNSERVICEABLE SHORTED THE TACH BOX.
- Difficulty date
- July 17, 2004
- Submitted
- February 3, 2005
- Operation
- General aviation
- Make and model
- Snias AS350BA
- Aircraft time
- 4,897 hours
- Engine
- Tmeca ARRIEL1B
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tach Generator
- Part number
- 0177555150
- Part serial
- 12528
- Condition
- Failed
- Location
- Engine
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.