# SDR UALA2011091605009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2011
- Submitted: September 16, 2011
- Operation: Air carrier
- Aircraft: N573UA
- Make and model: Boeing 757222
- Aircraft serial: 26685
- Aircraft time: 61,230 hours, 22,482 cycles
- Engine: Pwa PW2037
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor 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/UALA2011091605009

## Discrepancy

MAIN CABIN FLOOR SKIN CORRODED BS 1681, LBL 17 TO RBL 57.  MAJOR REPAIR ACCOMPLISHED.  REMOVED CORROSION & MATERIAL REMAINING WAS OUT OF LIMITS PER SRM.  FABRICATED A REPAIR DOUBLER AND FILLERS PER TIMCO REO G14002, RECV. D ON NON ROUTINE 24359.  THIS IS A CATEGORY A PERMANENT REPAIR.

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