# SDR DALA2020020300843

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2020
- Submitted: February 3, 2020
- Operation: Air carrier
- Aircraft: [N555NW](https://openairdocs.org/aircraft/N555NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 33391
- Aircraft time: 50,113 hours, 21,770 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/DALA2020020300843

## Discrepancy

SHIP 5655 CORROSION ON BEAM , STA 365 BTW RBL 5 AND 7 , ALSO BTW RBL 24 AND 27 , (IN REF, NRC 00423). CORRECTIVE ACTION: SUMMARY: OF NRC 00425 CORROSION LEVEL 2 ON FLOOR BEAM AT STA 365 BTW RBL 5 AND 7 , ALSO BTW RBL 24 AND 27 (IN REF, NRC 00423) WAS REPAIRED PER. B757-200 S.R.M. (1467549)

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