# SDR DL73S981844

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N328DL
- Make and model: Boeing 737232
- Aircraft serial: 23100
- Engine: Pwa JT8D15A
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Bolt
- Part number: MS200730306
- Condition: Missing
- Location: Apu
- Part time: 28,414 hours
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL73S981844

## Discrepancy

APU FIRE WARNING WHILE ON APPROACH.  FOLLOWED CHECKLIST.  FIRED BOTTLE, FIRE WARNING EXTINGUISHED.  FOUND BOLT MISSING FROM FUEL ATOMIZER CAUSING HEAT TO REACH FIRE LOOP.

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