# SDR UALA2011041501814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2011
- Submitted: April 20, 2011
- Operation: Air carrier
- Aircraft: N562UA
- Make and model: Boeing 757222
- Aircraft serial: 26664
- Aircraft time: 61,366 hours, 22,757 cycles
- Engine: Pwa PW2037
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: BAC1498203
- 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/UALA2011041501814

## Discrepancy

CORROSION FOUND ON STR 20L AT STATION 757.  MAJOR REPAIR ACCOMPLISHED, CUT AND REMOVED STRINGER 20L FROM STA 750-780 DUE TO 100% MATERIAL LOSS FROM CORROSION.  FABRICATED REPLACEMENT SECTION OF STR 20L IAW BOEING DRAWING 143 N3110 USING PN 193N3110-6.  REPAIR SPLICE FABRICATED IAW B757 SRM USING P/N BAC1498-203.  TREATED AND PRIMED PARTS IAW MM AND TOP COATED PER MM.  INSTALLED PARTS PER SRM.

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