# SDR DALA2018101006020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2018
- Submitted: October 12, 2018
- Operation: Air carrier
- Aircraft: [N551NW](https://openairdocs.org/aircraft/N551NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26498
- Aircraft time: 51,344 hours, 22,152 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Box Beam
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018101006020

## Discrepancy

INITIAL INSPECTION, CORROSION ON BOX BEAM BTW STA 345 TO 365 RBL 24, AT FWD GALLEY FLOOR STRUCTURE. CORROSION LEVEL 2. SUPPORT WAS REPLACED PER SRM 51-40-02, PAR 4 AND 7, 51-40-05, 51-20-01 PAR 3 AND 4, 53-00-51.

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