# SDR UIEA2014121900653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2014
- Submitted: December 19, 2014
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- Aircraft time: 63,205 hours, 9,532 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Actuator
- Part number: 550030019
- Part serial: 770
- Condition: Malfunctioned
- Location: Rt Aileron
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014121900653

## Discrepancy

AT FL 400, ACFT OSCILLATED ON ROLL & YAW.  COMPLIED WITH QRH 9.1.  REPLACED RT OTBD AILERON LOCKOUT ACTUATOR & FUNCTIONAL CHECKS GOOD IAW MM 27-11-16 & 27-11-00.

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