# SDR DALA2020102303443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2020
- Submitted: October 23, 2020
- Operation: Air carrier
- Aircraft: [N589NW](https://openairdocs.org/aircraft/N589NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32989
- Aircraft time: 61,745 hours, 20,024 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/DALA2020102303443

## Discrepancy

CORROSION LEVEL: 2 DURING INSPECTION FOUND CORROSION ON UPPER CHORD BEAM, STA 365.25 BETWEEN BL 0 TO RBL 2 AT FLOOR PASSENGER CABIN STRUCTURE.   REPARIED PER ERA 588248-14.

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