# SDR SIMA20210526002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2021
- Submitted: May 27, 2021
- Operation: Air carrier
- Aircraft: [N235NN](https://openairdocs.org/aircraft/N235NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000567
- Aircraft time: 12,355 hours, 8,172 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Failed
- Location: Left
- Stage of operation: TO
- 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/SIMA20210526002

## Discrepancy

PACK 1 FAIL ANNUNCIATED WHEN THRUST WAS SET FOR TAKEOFF. ACCOMPANYING MESSAGE WAS AN OVERHEATING SMELL.-C/A-SMELL FOUND TO BE AN OVERHEATING SMELL COMING FROM FAILED LH ACM. ITEM DEFERRED PER MEL 21-44.

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