# SDR 9501646304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N644US
- Make and model: Boeing 747451
- Aircraft serial: 23819
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Failed
- Location: Apu
- Stage of operation: LD
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9501646304

## Discrepancy

DURING LANDING, THE APU FIRE WARNING ACTIVATED.  THE FIRE BOTTLE WAS FIRED.  INSPECTION REVEALED NO FIRE.  REPLACED BOTTLE AND BOTH FIRE LOOPS.

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