# SDR CA000209007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2000
- Submitted: July 5, 2000
- Operation: Air carrier
- Make and model: Boeing 747475
- Aircraft time: 39,255 hours
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Chafed
- Location: Apu
- Part time: 42,038 hours, 54,260 cycles
- Stage of operation: CL
- 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/CA000209007

## Discrepancy

(CAN) APU FIRE WARNING CAME ON DURING CLIMB FIRE BOTTLE DISCHARGED AND STILLWARNING ON A/C RETURNED. FOUND WIRING CHAFFED AND SHORTED BENEATH SUPPORT CLAMP. REPAIRED.

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