# SDR SIMA20130101002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2013
- Submitted: January 11, 2013
- Operation: Air carrier
- Aircraft: [N620AE](https://openairdocs.org/aircraft/N620AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145102
- Aircraft time: 33,066 hours, 29,881 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8152403
- Condition: Failed
- Location: Ac Bay
- Stage of operation: UK
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20130101002

## Discrepancy

ON FLIGHT 3207 THE CREW REPORTED THAT IMMMEDIATELY UPON SELECTING ON AIR CONDITIONING A SQUEAL SOUND WAS HEARD FOLLOWED BY AN ELECTRICAL SMOKE SMELL FROM THE NR 2 PACK.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED RIGHT HAND AIR CYCLE MACHINE AND CORECTED ALL DUCT LEAKS IAW EMB-145 AMM 21-51-03.  ALL OPS CHECKS AND LEAK CHECKS WERE GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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