# SDR HNAA2024050800332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2024
- Submitted: May 8, 2024
- Operation: Air carrier
- Aircraft: [N625AE](https://openairdocs.org/aircraft/N625AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145115
- Aircraft time: 52,339 hours, 50,245 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Sleeve
- Part number: UNKNOWN
- Condition: Melted
- Location: Temp Cntl Valve
- 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/HNAA2024050800332

## Discrepancy

BURNING SULFUR SMELL IN FLIGHT DECK AND CABIN. IN CRUISE FL340 ODOR DISSIPATED. FACT  04MAY24  17:35  CLT INSPECTED PACK 1 AND 2 FOUND MELTED SLEEVES ON TEMP CONTROL VLV ON PACK 1 IRW AMM 21-51-00. RAN ENGINES AND PACK 2 WITH CREW. NO DEFECTS NOTED WITH PACK 1 OFF. SEE NEXT PAGE SEQ 1 FOR MEL OF PACK 1.

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