# SDR UIEA201000128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2009
- Submitted: April 12, 2010
- Operation: Air carrier
- Aircraft: [N498MC](https://openairdocs.org/aircraft/N498MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 25259
- Aircraft time: 43,275 hours, 6,484 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Aileron
- Condition: Damaged
- Location: Rt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA201000128

## Discrepancy

THE PURPOSE OF THIS EO IS TO RECORD A MAJOR REPAIR.  DURING C CHECK INSPECTION BEING PERFORMED AT HKG; DAMAGE WAS FOUND TO THE RIGHT I/B AILERON, O/B AFT CORNER DELAMINATION / DAMAGE.  PERMANENT REPAIR PERFORMED IN ACCORDANCE WITH THE 747-400 SRM 51-70-07 FIGURE 9.

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