# SDR DALA12015595653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2012
- Submitted: December 10, 2012
- Operation: Air carrier
- Aircraft: [N553NW](https://openairdocs.org/aircraft/N553NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26500
- Aircraft time: 33,653 hours, 13,612 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 365
- 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/DALA12015595653

## Discrepancy

MAIN CABIN FLOOR STRUCTURE, FLOOR SUPPORT IS CORRODED AT UPPER SURFACE, BS 365, BL 0 FOUND CORROSION IN VARIOUS PLACES.  FOUND OUT OF LIMITS,  R & R FLOOR SUPPORT BS 324 TO 418 BL 0 IAW SRM B757-200-57-40-02 PG 4

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