# SDR HNAA2022050700177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2022
- Submitted: May 23, 2022
- Operation: Air carrier
- Aircraft: [N638AE](https://openairdocs.org/aircraft/N638AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145172
- Aircraft time: 49,490 hours, 46,310 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: None
- Condition: None
- 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/HNAA2022050700177

## Discrepancy

PDIS  638     21-01  2514801  19MAY22  AVL  CLOSE
      BURNING FUMES COMING FROM PACKS.

FACT  20MAY22  17:18  ROA
            #2 PACK VLV R&R'D, SEE LP 251481-2 FOR SIGNOFF. R&R'D #1 ACM IAW AMM 21-51-03-04. OPS AND LEAK CHECK GOOD. NO SMOKE OR SMELL AT THIS TIME. CLEAR MEL 21-15-3

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