What was found
APU FIRE WARNING LIGHT/ALARM BELL IN FLIGHT APPROX 1 TO 2 MINS AFTER APU SHUTDOWN IN FLIGHT AT 10 TO 12,000 FT ALT FIRE BOTTLE USED. REMOVED APU SHROUD, APU INSPECTED FOUND NO EVIDENCE OF FIRE. REPLACED AFT DETECTOR LOOP.
- Difficulty date
- April 2, 2005
- Submitted
- April 12, 2005
- Operation
- Air carrier
- Aircraft
- N304WA
- Make and model
- Boeing 737347
- Aircraft serial
- 23345
- Aircraft time
- 53,564 hours, 36,029 cycles
- Engine
- Cfmint CFM562AFR
- Engine time
- 39,011 hours, 41,482 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Fire Loop
- Part serial
- 35523C
- Condition
- Faulty
- Location
- Apu
- Part time
- 39,011 hours, 41,482 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- F, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.