# SDR HNAA2021030800094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2021
- Submitted: March 9, 2021
- Operation: Air carrier
- Aircraft: [N683AE](https://openairdocs.org/aircraft/N683AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500833
- Aircraft time: 37,549 hours, 34,091 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Condition: Odor
- Location: Cockpit/Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: M, B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2021030800094

## Discrepancy

PDIS  683     21-01  2532571  08MAR21  FLO  ASSGN
      PACK 2 OVERHEAT WITH BURNING SMELL IN COCKPIT AND TR
      OUBLE COOLING A/C. BURNING SMELL ALSO NOTICED WITH O
      NLY  PACK 1 RUNNING  (NOTE: CREW STATED IT TAKES RUN
      NING 3 MINS  BEFORE SMELL OCCURRED AND HAPPEN WHILE
      DURING A/I TEST WITH N2 WAS ABOVE 83%)
                                          31347    00 RS   PERFORMED OPS CHECK ON PACK SYSTEMS #1 AND #2 IAW AMM 21-51-00-700-802-A. OPS CHECK GOOD. PLANE COOLS AS NORMAL. NO BURNING SMELLS DETECTED. NO OTHER DEFECTS NOTED

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