# SDR UIEA2017061200999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2017
- Submitted: June 12, 2017
- Operation: Air carrier
- Aircraft: [N1181A](https://openairdocs.org/aircraft/N1181A), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26206
- Aircraft time: 81,752 hours, 19,810 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Valve
- Part number: 3987865
- Part serial: 4695
- Condition: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017061200999

## Discrepancy

COCKPIT TRIM VALVE  INDICATION, BOTH DIGITAL IN ECS MAINTENANCES PAGE  & MANUAL ON OVERHEAD PANEL.  WHEN EVER IT  CASSES THE 70 TOOLEDDS THE FULL CLOSE POS . IN START TO FLUCTUTE  FROM CLOSE TO 0.70  WORKS OK. TEST FLIGHT(<DIV>COCKPIT TRIM AIR  VALVE REPLACED  IAW AMM 21-61-07 CHECKED  FOR OPERATION FOUND OK</DIV>)

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