What was found
NR 4 ENGINE FIRE LOOP B MESSAGE. REPLACED UPPER AFT LOOP B, TS681 IAW AMM AND TESTS OK IAW MM.
- Difficulty date
- June 3, 2013
- Submitted
- July 12, 2013
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 94,056 hours, 11,378 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2612 · Fire Detection
- Part
- Fire Loop
- Part number
- 8244
- Condition
- Faulty
- Location
- Nr 4 Nacelle
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.