What was found
(CAN) FAILURE OF THE TACH BOX CAUSED THE BLEED VALVE TO CLOSE ON ENGINE START-UP, STALLING THE COMPRESSOR.START WAS ABORTED. PART REPLACED WITH AIRWORTHY TACH BOX.
- Difficulty date
- June 5, 2002
- Submitted
- October 28, 2002
- Operation
- General aviation
- Make and model
- Snias AS350B
- Aircraft time
- 5,804 hours
- Engine
- Tmeca ARRIEL1B
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tach Generator
- Part number
- 0177555170
- Condition
- Failed
- Location
- Engine
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.