# SDR SIMA2018061108010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2018
- Submitted: July 30, 2018
- Operation: Air carrier
- Aircraft: [N231AN](https://openairdocs.org/aircraft/N231AN), 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: 17000554
- Aircraft time: 5,512 hours, 3,773 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 10007005
- Part serial: 2016020815
- Condition: Odor
- 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/SIMA2018061108010

## Discrepancy

UNKNOWN BURNING ODOR AFTER LANDING.   THE ODOR CAME FROM AIR CYCLE MACHINE WHEN THE NR 1 PACK WAS TURNED ON.  NR 1 PACK FAILED.   REMOVED AND REPLACED THE NR 1 ACM IAW IAW MM 21-51-05.  OPS CHECKED GOOD.

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