What was found
BLEED VALVE WOULD NOT CLOSE DUE TO FAILURE OF TACHOMETER BOX. THIS AIRCRAFT AND OTHERS HAVE EXPERIENCED AN INCREASE IN TACHOMETER BOX FAILURES RECENTLY. ACFT TT, 7,404.1 HOURS.
- Difficulty date
- October 3, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N5771C
- Make and model
- Snias AS350B
- Aircraft serial
- 1369
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tachometer Box
- Part number
- 0177555050
- Condition
- Failed
- Location
- Aft Cargo
- Stage of operation
- NR
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.