# SDR DHL2002746003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2002
- Submitted: February 22, 2002
- Operation: Air carrier
- Aircraft: N746DH
- Make and model: Boeing 727224
- Aircraft serial: 22252
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Power Unit
- Condition: Failed
- Location: Apu
- 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/DHL2002746003

## Discrepancy

APU WILL NOT FIRE TEST.  REMOVED AND REPLACED APU OPERATING POWER UNIT, OP TEST OF FIRE TEST GOOD.

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