# SDR UPS05443828

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2005
- Submitted: January 31, 2005
- Operation: Air carrier
- Aircraft: [N675UP](https://openairdocs.org/aircraft/N675UP), registered now
- Make and model: Boeing 747123F
- Aircraft serial: 20390
- Aircraft time: 74,557 hours, 21,365 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 65B048773
- 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/UPS05443828

## Discrepancy

BS 980 - 1000 AFTER LT WINDOW FORGING REMOVED FOUND STR CORROSION CRACKED.  CORROSION BLEND OUT 0.060" BY 1" BY 3" EXCEED SRM LIMIT.  NEW STRINGER SEGMENT AND SPLICE ANGLE INSTALLED AS PER RS R-53-41-35234 AND ENGINEERING FILE NUMBER : 747-53-20213.

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