# SDR HNAA2019030400057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2019
- Submitted: March 4, 2019
- Operation: Air carrier
- Aircraft: [N906AE](https://openairdocs.org/aircraft/N906AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500894
- Aircraft time: 34,306 hours, 29,799 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Failed
- Location: Ac Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019030400057

## Discrepancy

PDIS  906  21-50  1875141  01MAR19  ROC  CLOSE PACK 1 OVER HEAT CAUTION MESSAGE DISPLAYED FOLLOWED BY BURNING SMELL IN CABIN AND FLIGHT DECK. FA REPORTS A HAZE. CYCLED PACK 3 TIMES. SMELL IS ONLY ASSOCIATED WITH PACK 1. FACT  01MAR19  19:07  ROC  MX INSP NR 1 PACK AND T/S IAW FIM 21-20-00-810-801-A. FOUND NR 1 PACK ACM FAILED. SEE SEQ 2 BELOW FOR MEL OF NR 1 PACK.

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