# SDR R61A20100146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2010
- Submitted: April 1, 2010
- Operation: Air carrier
- Aircraft: [N810MD](https://openairdocs.org/aircraft/N810MD), registered now
- Make and model: Emb ERJ 170-100SU
- Registry model: [EMB ERJ 170-100SU](https://openairdocs.org/model/embraer-erj-170-100su) (OpenAirDocs)
- Aircraft serial: 17000026
- Aircraft time: 14,393 hours, 9,506 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Faulty
- Location: Nr 1
- Stage of operation: TX
- 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/R61A20100146

## Discrepancy

CREW DECLARED AN EMERGENCY AND RETURNED TO GATE DUE TO SMOKE IN THE CABIN ALONG WITH PACK 1 FAIL MSG ON EICAS AT MKE.  MAINTENANCE TROUBLESHOT AND FOUND THE PACK 1 ACM TO BE AT FAULT, AND PLACED PACK 1 ON MEL.  A/C WAS RETURNED TO SERVICE.

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