# SDR UIEA2021052601183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2021
- Submitted: May 28, 2021
- Operation: Air carrier
- Aircraft: [N649GT](https://openairdocs.org/aircraft/N649GT), registered now
- Make and model: Boeing 767-300
- Registry model: [Boeing 767-300](https://openairdocs.org/model/boeing-767-300) (OpenAirDocs)
- Aircraft serial: 25864
- Aircraft time: 92,936 hours, 23,757 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3964621
- Part serial: 591
- Condition: Faulted
- Location: Lt A/C Pack
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021052601183

## Discrepancy

L/H PACK DID NOT TURN OFF WHEN SELECTED(<P>PERFORMED PACK TEMPERATURE CONTROL OPERATIONAL TEST IAW AMM 21-51-00-705-161. TEST PASS, NO DEFECT NOTED AT THIS TIME.</P><P>LOG PAGE 1484388: REMOVED AND REPLACED LH PACK FLOW CONTROL VALVE PER AMM 21-51-01. OPS CHK GOOD AT THIS TIME.

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