# SDR UALA2009042401188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2009
- Submitted: April 29, 2009
- Operation: Air carrier
- Aircraft: [N215UA](https://openairdocs.org/aircraft/N215UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30221
- Aircraft time: 31,094 hours, 6,866 cycles
- Engine: Pwa PW4077
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Pcu
- Part number: 15441007
- Part serial: 1204
- Condition: Failed
- Location: Flaperon
- Stage of operation: NR
- 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/UALA2009042401188

## Discrepancy

FLAPERON POWER CONTROL UNIT (LEFT OUTBOARD) DOES NOT FOLLOW COMMAND.  DB- PRIMARY FLIGHT COMPUTER (RIGHT) MSG-2710301 LATCHED TA MODE.  REPLACED O/B FLAPERON PCU.  ACPD MAT TEST AND TEST PASSED.

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