# SDR CALA2013081990561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2013
- Submitted: August 21, 2013
- Operation: Air carrier
- Aircraft: [N209UA](https://openairdocs.org/aircraft/N209UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30215
- Aircraft time: 58,890 hours, 7,371 cycles
- Engine: Pwa PW40903
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Modulating Valve
- Part number: 8102212
- Part serial: 17
- Condition: Faulty
- Location: Flight Deck
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013081990561

## Discrepancy

FLIGHT DECK TRIM AIR VALVE DOES NOT MOVE IN AUTO OR MANUAL.  REPLACED ZONE A, TRIM AIR MODULATING VALVE IAW AMM 21-61-02.   TEST PASSED.  PERFORMED LEAK CHECK. NO LEAKS DETECTED.

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