# SDR SWIA200312529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2003
- Submitted: October 29, 2003
- Operation: Air carrier
- Aircraft: N189SW
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120048
- Aircraft time: 39,332 hours, 48,091 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38003761
- Part serial: P353
- Condition: Leaking
- Location: Apu Bay
- Part time: 8,022 hours, 9,950 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200312529

## Discrepancy

ON THE GROUND WITH APU ON RIGHT AND LEFT PACK IN LOW CABIN FILLS WITH SMOKE, CAUSES THE FIRE/SMOKE DETECTOR TO SOUND IN THE LAV.  FOUND APU LEAKING OIL INTO BLEED AIR.  REMOVED AND REPLACED APU WITH SERVICEABLE UNIT IAW MM 49-00-02.  OPS CHECKS GOOD.

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