# SDR UPS05M44674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2005
- Submitted: June 8, 2005
- 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 serial: 48406
- Aircraft time: 43,692 hours, 8,279 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: ARB01747
- Condition: Corroded
- Location: Lt Wing
- 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/UPS05M44674

## Discrepancy

INSPECTION TYPE: 2C, LT WING, UPPER SURFACE, AFT WING SPAR JUST FWD OF NR 3 SPOILER, STRAP HAS BULGE & CRACKED SEALANT, NEED TO EVALUATE FOR CORROSION (2 SPOTS).  PERFORMED CORROSION REPAIR ON LT WING UPPER SURFACE AFT WING SPAR IAW SAA SK 254-796823 & UPS REPAIR/ALTERATION AUTHORIZATION ENGRG FILE MD11-57-20021.

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