What was found
FIRE WARNING BELL SOUNDS CONTINUOUSLY WITH RED MASTER BUT NO ASSOCIATED FIRE SYS RED LIGHT. FOUND A-3 CARD, MASTER MON A FAULTING. CARD REPLACED AND OPERATES NORMAL IAW MM.
- Difficulty date
- May 16, 2013
- Submitted
- May 17, 2013
- Operation
- Air carrier
- Aircraft
- N409MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 30558
- Aircraft time
- 57,078 hours, 8,541 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Circuit Card
- Condition
- Malfunctioned
- Location
- Fire Warning
- 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.