# SDR SIMA200335704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2003
- Submitted: February 5, 2004
- Operation: Air carrier
- Aircraft: [N617AE](https://openairdocs.org/aircraft/N617AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145093
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Turbine Wheel
- Condition: Inoperative
- Location: Apu
- Component: Apu
- Component part number: 4504113
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200335704

## Discrepancy

APU FAILED INITIAL OBSERVATION WAS SMOKE IN CABIN AND COCKPIT.  UPON FURTHER INVESTIGATION FOUND APU TURBINE WHEEL DAMAGED.  APU THEN DEFERRED IAW MEL 49-1.  MAINTENANCE REMOVED AND REPLACED THE APU IAW EMB MM.  OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.