# SDR UPS07450278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2007
- Submitted: July 27, 2007
- Operation: Air carrier
- Aircraft: N522UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21936
- Aircraft time: 74,820 hours, 17,560 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Shear Tie
- Condition: Corroded
- Location: Rt 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/UPS07450278

## Discrepancy

INSPECTION TYPE:C RT W/G REAR SPAR WS 375 UPPER FIXED PANEL SUPPORT APPEARED CORRODED.  CORROSION BLEND OUT EXFOLIATION THROUGH WHOLE THICKNESS 2" BY 3/4" EXCEED SRM LIMIT.  RT W/G REAR SPAR WS375 UPPER FIXED PANEL SUPPORT REPAIRED AS PER SRM 51-40-04 FIG 2.

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