# SDR AALA20141220005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2014
- Submitted: December 22, 2014
- Operation: Air carrier
- Aircraft: [N798AN](https://openairdocs.org/aircraft/N798AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30797
- Aircraft time: 56,691 hours, 7,214 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Pcu
- Part number: 15442005
- Condition: Leaking
- Location: Rt Aileron
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20141220005

## Discrepancy

AIR INTERRUPT, RETURNED, & EMER DECLARED.  LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT.  DURING CRUISE LT HYD SYS QTY BEGAN TO DECREASE SLOWLY.  ON ARRIVAL FOUND RT OTBD AILERON POWER CONTROL UNIT LEAKING FROM PLUG.  R & R RT OTBD POWER CONTROL UNIT IAW AMM 27-11-11.  PERFORMED ADJUSTMENT IAW AMM 27-11-00.  SYS CHECKED NORMAL.

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