# SDR UIEA01084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2001
- Submitted: August 24, 2001
- Operation: Air carrier
- Aircraft: [N506MC](https://openairdocs.org/aircraft/N506MC), registered now
- Make and model: Boeing 747-2D3B
- Registry model: [Boeing 747-2D3B](https://openairdocs.org/model/boeing-747-2d3b) (OpenAirDocs)
- Aircraft serial: 21252
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- Part time: 73,880 hours
- 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/UIEA01084

## Discrepancy

DURING INSPECTION, FOUND CORROSION INSIDE THE LEFT WING BOOST PUMP HOUSING AT WS 677 ON THE UPPER WING SKIN SURFACE LIP EXPOSED WITHIN THE HOUSING.  CORROSION REMOVED, POLISHED, SHOT PEENED, TREATED AND MEASURED.  AREA FILLED IN WITH EPOCAST.  ROTART DOOR LATCH CHANGED TO NYLON ASSEMBLY.  (M)

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