# SDR 2002UALA00976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2002
- Submitted: June 19, 2002
- Operation: Air carrier
- Aircraft: N539UA
- Make and model: Boeing 757222
- Aircraft serial: 25223
- Aircraft time: 37,407 hours, 13,688 cycles
- Engine: Pwa PW2037
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- 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/2002UALA00976

## Discrepancy

CABIN FLOOR STRUCTURE AT STA 334, WL 208, BL 0 TO RBL 25, U-CHANNEL INTERCOSTAL HAD EXCESSIVE CORROSION ON UPPER SURFACE.  MAJOR REPAIR ACCOMPLISHED.  INSTALLED NEW U-CHANNEL.

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