What was found
FIRE DETECTION FAULT B-LOOP ON NR 3 ENGINE, RECEIVED INTERMITTENT FIRE WARNING. *S/D* SUSPECT AIR LEAK AT PNEUMATIC DUCT CLAMP. REPLACED DUCT CLAMP, ADDITIONALLY REPLACED PRESSURE RELIEF VALVE AS PRECAUTIONARY.
- Difficulty date
- October 21, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N154UA
- Make and model
- Boeing 747123
- Aircraft serial
- 20103
- Engine
- Pwa JT9D7A
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Clamp
- Part number
- BACC10EZ2125BE
- Condition
- Failed
- Location
- Nr 3 Engine
- Stage of operation
- CR
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.