# SDR IPXA2020042054395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2020
- Submitted: April 20, 2020
- Operation: Air carrier
- Aircraft: [N349UP](https://openairdocs.org/aircraft/N349UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 37947
- Aircraft time: 19,002 hours, 7,140 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Check Valve
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020042054395

## Discrepancy

INSPECTION TYPE:N/A** ATB ** AT FL 350 "LEFT PACK TEMP" EICAS MESSAGE. RAN "PACK TEMP" QRH CHECKLIST. "PACK TEMP" REMAINED LEFT PACK OFF.SAT COM FLIGHT CONTROL AND MAINTENANCE.R AN R TRIM AIR SUPPLY CK VALVE IAW MM 21-61-05-401 CK'S NORMAL.

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