# SDR DALA2020012190451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2020
- Submitted: January 21, 2020
- Operation: Air carrier
- Aircraft: [N557NW](https://openairdocs.org/aircraft/N557NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 33393
- Aircraft time: 51,449 hours, 22,409 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 1320-1340
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020012190451

## Discrepancy

CORROSION FOUND ON FLOOR SUPPORT FROM BS 1320 TO 1340,  RBL 2.90 IN THE AFT CARGO BAY.  THE FLOOR SUPPORT  WAS REPAIRED IAW SRM.

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