What was found
NR 4 FIRE LOOP B EICAS STATUS MESSAGE DISPLAYED. NO STATUS MESSAGE ON ARRIVAL. MAINT MESSAGE 26027 SHOWS INTERMITTENT AND NOT ACTIVE. FIRE PROTECTION SYS TEST PASSED ON CMC, NO RELATED FAULT FOUND.
- Difficulty date
- April 9, 2013
- Submitted
- May 8, 2013
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 93,385 hours, 11,312 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2612 · Fire Detection
- Part
- Warning Message
- Condition
- False Activation
- Location
- Fire Loop
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.