SDR AWXA0000515

Service difficulty report · Fire Warning · Boeing 73733A

Difficulty date: August 10, 2000
Submitted: August 10, 2000
Operation: Air carrier
Aircraft: N174AW
Make and model: Boeing 73733A
Aircraft serial: 23633
Aircraft time: 49,493 hours, 30,417 cycles
System (JASC): 2612 · Fire Detection
Part: Fire Warning
Condition: False Indication
Location: Apu
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIR TURNBACK, APU FIRE WARNING INDICATION AT 1000 FT, THEN WENT OUT, CAME ON AGAIN AND STAYED ON. CHECK LIST COMPLETED, FIRE HANDLE PULLED (APU WAS SHUTDOWN PRIOR TO DEPARTURE). INSPECTED APU FOR FIRE DAMAGE, NONE NOTED. COMPLIED WITH MAINTENANCE MEL PROCEDURES, PULLED AND COLLARED CIRCUIT BREAKER.

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