# SDR NWAA072695503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2007
- Submitted: August 1, 2007
- Operation: Air carrier
- Aircraft: N503US
- Make and model: Boeing 757251
- Aircraft serial: 23192
- Aircraft time: 72,226 hours, 29,628 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 1717
- 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/NWAA072695503

## Discrepancy

DURING "M" CHECK, FOUND CORROSION ON AFT DECK PLATE SUB FLOOR STRUCTURE AT BS 1717 LBL 60 TO RBL 60.  REPAIRED PER EA 55-194183.

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