# SDR AALA20101010DFW06

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2010
- Submitted: October 11, 2010
- Operation: Air carrier
- Aircraft: N455AA
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49560
- Aircraft time: 66,774 hours, 35,150 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Faulted
- Location: Fire Detection
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20101010DFW06

## Discrepancy

DFW - CREW REPORTED FIRE LOOP B INDICATION DURING FLIGHT.  FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  RESET FIRE DETECTOR LOOP B AUXILIARY POWER UNIT CIRCUIT BREAKER AND REPLACED AUXILIARY POWER UNIT FIRE CONTROL AS A PRECAUTION.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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