# SDR SIMA20180625002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2018
- Submitted: June 26, 2018
- Operation: Air carrier
- Aircraft: [N646AE](https://openairdocs.org/aircraft/N646AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145213
- Aircraft time: 43,398 hours, 39,362 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8152403
- Part serial: 200107198
- Condition: Failed
- Location: Ac Bay
- Stage of operation: DE
- 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/SIMA20180625002

## Discrepancy

EXPERIENCED A BURNING SMELL IN THE COCKPIT WITH A SMOKY HAZE BUILDING IN THE COCKPIT, DISSIPATED AS WE DESCENDED. PERFORMED TROUBLESHOOTING PER FIM 21-20-00.  FOUND NR 1 PACK ACM TO HAVE FAILED.  REMOVED AND REPLACED NR 1 PACK ACM PER AMM 21-51-03.  OPC GOOD.  NO SMOKE SMELL

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