# SDR AU010129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2001
- Submitted: March 20, 2001
- Operation: General aviation
- Make and model: Boeing 747338
- Engine: Rroyce RB211524D419
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 51291001
- Condition: Malfunctioned
- Location: Apu Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: F, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU010129

## Discrepancy

(AUS) APU LOWER DOOR FIRE DETECTOR LOOP HAD HIGH RESISTANCE. FALSE WARNING INDICATION RESULTED IN DISCHARGE OF FIRE BOTTLE.

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