# SDR UPS00233636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2000
- Submitted: August 28, 2000
- Operation: Air carrier
- Aircraft: [N925UP](https://openairdocs.org/aircraft/N925UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19230
- Aircraft time: 49,004 hours, 36,346 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/UPS00233636

## Discrepancy

INSPECTION TYPE:C, SUSPECT CORROSION BETWEEN SKIN AND INTERNAL STRUCTURE BS 1020 S17L.  HFEC INSP C/O ON HOLES IN ABOVE AREA.  NO DEFECT FOUND.  CORROSION REMOVED IAW SRM 51-10-06 FROM SKIN AND FROM CUSP ANGLE SKIN CUTOUT BS 1020 S17L.  REPAIRED AREA IAW SRM 53-30-3 FIG 3.  NOTE THIS IS A CAT A REPAIR AND HAS BEEN ZERO TIMED.  CUSP ANGLE REPAIRED IAW SRM 51-40-3.

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