# SDR SIMA20171006001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2017
- Submitted: October 9, 2017
- Operation: Air carrier
- Aircraft: [N653AE](https://openairdocs.org/aircraft/N653AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145433
- Aircraft time: 39,415 hours, 35,076 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20171006001

## Discrepancy

ACRID ODOR IN CABIN WHEN ENGINE BLEEDS DRIVE THE AC PACKS. THE ODOR GOES AWAY WHEN APU RUNS THE PACKS.  COMPLIED WITH EM- 72-034.  TROUBLESHOT, NO OIL DETECTABLE ODOR AT CONFIGURATIONS. CLEANED COWL AND GVI BOTH ENGINES.

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