# SDR SIMA20171226004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2017
- Submitted: January 5, 2018
- Operation: Air carrier
- Aircraft: [N676AE](https://openairdocs.org/aircraft/N676AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500807
- Aircraft time: 33,442 hours, 29,455 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 8152403
- Part serial: 9912026
- Condition: Failed
- Location: Nr 2
- Stage of operation: TX
- How discovered: O
- Nature of condition: J, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20171226004

## Discrepancy

DURING TAXI,  RECEIVED A BOTH ENGINES OFF,   SMOKE IN THE COCKPIT AND CABIN. FOLLOWED EPC PROCEDURES FOR CABIN COCKPIT FIRE, SMOKE, FUMES, AND SMOKE SUBSIDED.  RAN ENGINES AT IDLE AND HIGH POWER WITH NO ABNORMAL ODORS OR HAZE IN CABIN OR FLIGHT DECK IAW  AMM 71-00-01. THE NR 2 PACK WAS MAKING A LOUD NOISE WITH THE NR 2 PACK FAILED MESSAGE.   REMOVED AND REPLACED THE NR 2 AIR CYCLE MACHINE IAW AMM 21-51-03.  OPS CHECKED GOOD.

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