# SDR C2XA01CL164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2001
- Submitted: July 18, 2001
- Operation: Air carrier
- Aircraft: [N13989](https://openairdocs.org/aircraft/N13989), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 271
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 4501968C
- Part serial: SPE004332
- Condition: Failed
- Location: Tail
- 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/C2XA01CL164

## Discrepancy

BNA FLT 4046, THE CREW REPORTED APU AUTOSHUT DOWN CAUSING SMOKE IN AIRCRAFT.  MAINTENANCE REPLACED APU.  OPERATIONAL CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

---
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.