# SDR UIEA2021080301699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N1361A](https://openairdocs.org/aircraft/N1361A), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26265
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3964961
- Part serial: 1113
- Condition: Inoperative
- Location: Lt A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021080301699

## Discrepancy

L PACK TEMP ON CLIMBOUT. L PACK OPERATES NORMALLY ON GROUND WITH APU AIR.  ON ENGINES SURGING WAS NOTICED FOLLOWED BY EICAS MESSAGE.  REPEAT WRITE-UP(<P>C/W WO# 84275 REV. D REMOVED AND REPLACED L/H FLOW CONTROL AND SHUT OFF VALVE IAW AMM 21-51-01. OPS CHECK GOOD.</P>)

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