What was found
APU FIRE WARNING TEST HAS NO SPEAKER AURAL WARNING. REPLACED WARNING MODULE "M1000" IAW AMM 31-51-04. OPS CHECKED GOOD. REPLACED PRINTED CIRCUIT CARD "M618" IAW AMM 31-51-04. OPS CHECKED GOOD.
- Difficulty date
- December 10, 2011
- Submitted
- December 12, 2011
- Operation
- Air carrier
- Aircraft
- N641GT
- Make and model
- Boeing 76738E
- Aircraft serial
- 25132
- Aircraft time
- 67,372 hours, 20,574 cycles
- System (JASC)
- 2612 · Fire Detection
- Part
- Pcb
- Part number
- 285T03855
- Part serial
- D00741
- Condition
- Failed
- Location
- Apu Fire Warning
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.