# SDR DHL2003746005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2003
- Submitted: April 9, 2003
- Operation: Air carrier
- Aircraft: N746DH
- Make and model: Boeing 727224
- Aircraft serial: 22252
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning Horn
- Condition: Inoperative
- Location: Apu Fire
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2003746005

## Discrepancy

APU FIRE WARNING HORN, IN NOSE GEAR WELL, IS INOPERATIVE.  TRANSFERRED TO DMI 12489 PER MEL 26-11-2 CAT-C.  REF DMI 12489 APU FIRE WARNING HORN IN NOSE GEAR WELL IS INOPERATIVE.  TROUBLESHOT PER WDM 49-41-0, FOUND HORN INOPERATIVE.  REMOVED AND REPLACED HORN, OPS CHECKED NORMAL.  THIS CLEARS DMI 12489.

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