# SDR UPS02M39351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2002
- Submitted: September 11, 2002
- Operation: Air carrier
- Aircraft: [N254UP](https://openairdocs.org/aircraft/N254UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft time: 37,930 hours, 7,141 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- 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/UPS02M39351

## Discrepancy

INSPECTION TYPE:C CABIN - UPPER AUX UPPER EXTERNAL SKIN HAS SURFACE CORROSION IN NINE PLACES FROM STA 1341 TO 1375 X=65 TO X=90.00.  UPPER EXT SKIN SURFACE CORRODED CLEANED AND FOUND 2EA DOUBLERS EXCEEDED LIMIT IAW SRM 57-00-01 FIG 1A VOL I.  DOUBLER FABRICATED IAW DWG APB7241 & INSTALLED IAW SRM 51-35-01 VOL II.

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