# SDR UALA2013071004801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2013
- Submitted: July 12, 2013
- Operation: Air carrier
- Aircraft: [N785UA](https://openairdocs.org/aircraft/N785UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26954
- Aircraft time: 72,667 hours, 10,168 cycles
- Engine: Pwa PW4090
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Pcu
- Part number: 15441007
- Part serial: 144
- Condition: Faulty
- Location: Flapperon
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013071004801

## Discrepancy

FLIGHT CONTROL SYSTEM STATUS MESSAGE 27-10306, FLAPPER ON POWER CONTROL UNIT RT INBD BYPASS SOLENOID OPERATED, VALVE IS NOT IN COMMANDED POSITION.  TROUBLESHOT IAW FIM 27-11, TASK 906.  WIRING CHECK FOUND BYPASS SOILENOID OPEN CIRCUIT.  REPLACED RT INBD FLAPERON PCU IAW AMM 27-11-12.  PERFORMED RT FLAPERON ACTUATOR CONFIDENCE TEST PASSED. STATUS MESSAGE DISAPPEARED.

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