# SDR HNAA2020072000195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2020
- Submitted: July 20, 2020
- Operation: Air carrier
- Aircraft: [N656AE](https://openairdocs.org/aircraft/N656AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145740
- Aircraft time: 39,996 hours, 35,919 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Damaged
- Stage of operation: CR
- 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/HNAA2020072000195

## Discrepancy

IN FLIGHT,  FA REPORTS A LOUD REVING SOUND IN CABIN, FOLLOWED BY ELECTRICAL AND DUST ODOR.  AFTER LANDING PACK 2 OVHT MESSAGE ON EICAS.  CHECKED THE PACK #2 AND FOUND ACM TO BE DAMAGED.  R & R THE ACM IAW AMM 21-51-03. OPS CHECKED GOOD. OK FOR SERVICE.

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