# SDR UPS04242776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2004
- Submitted: July 26, 2004
- Operation: Air carrier
- Aircraft: N947UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19722
- Aircraft time: 64,253 hours, 47,110 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: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04242776

## Discrepancy

INSPECTION TYPE:C, CORROSION ON SKIN NEXT TO FASTENER BS 470 S19R.  FASTENER REMOVED FROM SUSPECT AREA IAW SRM 51-30-02.  CORROSION FOUND TO BE OUTSIDE LIMITS IAW SRM 53-30-1.  CORRODED SKIN TRIMMED OUT IAW SRM 53-30-3 FIG 14.  AFTER TRIM OUT CORROSION FOUND ON LOWER SKIN, CORROSION REMOVED IAW SRM 51-10-06.  LOWER SKIN TRIMMED IAW SRM 53-30-3, REPAIR DOUBLERS FABRICATED AND INSTALLED IAW SRM 53-30-3.

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