# SDR P5CA2008010901586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2009
- Submitted: February 10, 2009
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 34,892 hours, 5,858 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Rvdt
- Part number: 900040822
- Part serial: 0765
- Condition: Faulty
- Location: Te Flap
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2008010901586

## Discrepancy

DURING CLIMBOUT OF NRT, CREW EXPERIENCED SEVERE WIND SHEAR AND A FLAP ASYMMETRY PROBLEM.  OUTBOARD TRAILING EDGE FLAPS WOULD NOT RETRACT PASSED 5 DEGREES.  AIRCRAFT RETURNED TO NRT.  CONDITIONAL INSPECTIONS FOR HIGH ENERGY STOP AND SEVERE TURBULENCE WERE ACCOMPLISHED IAW AMM 05-51-03 AND 05-51-10.  DURING TROUBLESHOOTING OF THE FLAP ISSUE THE RIGHT OUTBOARD FLAP RVDT WAS FOUND TO BE FAULTY AND REPLACED.

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