# SDR SCNA00040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2000
- Submitted: May 3, 2000
- Operation: Air carrier
- Aircraft: N291SC
- Make and model: Boeing 727-2K3
- Registry model: [Boeing 727-2K3](https://openairdocs.org/model/boeing-727-2k3) (OpenAirDocs)
- Aircraft serial: 22770
- Aircraft time: 44,679 hours, 19,703 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning System
- Part number: 69295671
- Part serial: 3540
- Condition: Inoperative
- Location: Mlg Ww
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA00040

## Discrepancy

DURING A MAINTENANCE LINE CHECK, THE APU FIRE WARNING HORN IN THE WHEEL WELL WAS FOUND INOPERATIVE.  REMOVED AND REPLACED THE APU FIRE WARNING HORN AND OPERATIONALLY CHECKED GOOD.

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