# SDR AALA20001699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2000
- Submitted: December 7, 2000
- Operation: Air carrier
- Aircraft: [N943AN](https://openairdocs.org/aircraft/N943AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30599
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 351A10001
- Condition: Failed
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20001699

## Discrepancy

ORD - FLT 2099 - SHORTLY AFTER DEPARTURE FROM GATE, CREW REPORTED A LOUD EXPLOSION FOLLOWED BY SMOKE FILLING THE CABIN.  APU SHUTDOWN.  REPLACED APU AND ACCOMPLISHED LEAK CHECK.  SYSTEM GRUOND CHECKED NORMAL OPERATION.  (M)

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