# SDR C2XA03CL198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2003
- Submitted: December 8, 2003
- Operation: Air carrier
- Aircraft: [N15912](https://openairdocs.org/aircraft/N15912), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145439
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Apu
- Part number: 4504113
- Part serial: SPE0114044
- Condition: Smoke
- Location: Aft Fuselage
- Part time: 4,439 hours, 8,778 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA03CL198

## Discrepancy

CREW REPORTED THAT ON TAXI OUT THE LAV SMOKE INDICATION CAME ON EICAS AND FLIGHT ATTENDANT REPORTED SMOKE IN AFT CABIN.  MAINTENANCE INSPECTED SYSTEM AND REMOVED AND REPLACED THE APU.  ALL OPERATIONAL CHECKS WERE GOOD.  AIRCRAFT RETURNED TO SERVICE.

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