# SDR UIEA2014052100213

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2014
- Submitted: May 30, 2014
- Operation: Air carrier
- Aircraft: [N408MC](https://openairdocs.org/aircraft/N408MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29261
- Aircraft time: 64,330 hours, 10,282 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Control Module
- Part number: 3327009007
- Part serial: 0489
- Condition: Malfunctioned
- Location: Rudder
- Stage of operation: TX
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014052100213

## Discrepancy

DURING CONTROL CHECK,  RUDDER SHUDDERS & SHAKES, ACFT LT & RT PEDAL DEFLECTION.   R & R THE UPPER RUDDER POWER CONTROL MODULE IAW MM 27-21-17.  PERFORMED OPERATIONAL TEST, ALL CHECKED GOOD, NO VIBRATION FELT, OK FOR SERVICE.

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