# SDR ASOA20120128013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2012
- Submitted: February 2, 2012
- Operation: Air carrier
- Aircraft: [N11121](https://openairdocs.org/aircraft/N11121), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145683
- Aircraft time: 26,019 hours, 14,019 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8152403
- Part serial: 200210159
- Condition: Smoke
- Location: Nr 1
- Part time: 26,042 hours, 14,037 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA20120128013

## Discrepancy

THE CREW REPORTED SMOKE IN THE COCKPIT AFTER PACKS WERE SELECTED FOLLOWED BY PACK NR 1 OVERHEAT MESSAGE.  THE ACFT RETURNED TO THE GATE.  MX INSPECTED AND RELEASED ACFT IAW MEL PROCEDURES 21-51-00-3.  MX REPLACED THE NR 1 PACK ACM.  OPS CHECKS WERE GOOD.

---
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.