# SDR HNAA2019102800328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2019
- Submitted: October 28, 2019
- Operation: Air carrier
- Aircraft: [N655AE](https://openairdocs.org/aircraft/N655AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145452
- Aircraft time: 43,575 hours, 39,302 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Pressure Switch
- Condition: Failed
- Location: Nr 1 A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019102800328

## Discrepancy

PDIS  655     21-01  1886972  27OCT19  PHL  CLOSE
      PACK 1 OVRLOAD FOLLOWED BY BURNING RUBBER SMELL NOTI
      CED IN CABIN AND COCKPIT. SMELL WENT AWAY WHEN PACK
      1 WAS TURNED OFF.
FACT  27OCT19  23:54  PHL
            R&R'D #1 PACK OVERPRESSURE SWITCH IN REF TO AMM 21-5
            1-06 OPS CHECK #1 PACK SEVERAL TIMES USING APU AND E
            NG #1 AND #2, NO DEFECTS NOTED AT THIS TIME. OK FOR

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