What was found
(CAN) ENGINE MAKING A POPPING NOISE ON SHUT DOWN. TROUBLESHOOTING DETERMINED THAT THE DRAIN VALVE RECENTLY INSTALLED HAD BEEN ASSEMBLED MISSING AN ORIFICE IN THE TEE FITTING.
- Difficulty date
- February 23, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Snias AS350B
- Engine
- Tmeca ARRIEL1B
- System (JASC)
- 7170 · Engine Drains
- Part
- Valve
- Part number
- 0174126090
- Condition
- Defective
- Location
- Eng Drain
- Stage of operation
- TX
- Nature of condition
- E, W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.