# SDR UIEA200900010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2009
- Submitted: January 24, 2009
- Operation: Air carrier
- Aircraft: N526MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 22337
- Aircraft time: 98,475 hours, 20,230 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Panel
- Condition: Delaminated
- Location: Zone 500
- 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/UIEA200900010

## Discrepancy

LT WING UPPER SURFACE FIXED L/E PANEL AT ILES 1048.0 AND 8.0 INCHES FROM AFT END OF PANEL HAS AN AREA OF 3.0 INCH DIAMETER OF DELAMINATION.  PERMANENT REPAIR ACCOMPLISHED AS PER B747 SRM 51-40-09 FIG 18, SHEETS 3 AND 5, PREPREG 250 DEGREES F CURE PER SRM 51-40-12.  ALSO, REFERENCE ATLAS EO NR 4757A475.

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