# SDR DALA2026071804230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2026
- Submitted: July 19, 2026
- Operation: Air carrier
- Aircraft: [N590NW](https://openairdocs.org/aircraft/N590NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32990
- Aircraft time: 78,577 hours, 25,979 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Zone 200
- 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/DALA2026071804230

## Discrepancy

CORROSION LEVEL 2 ON GUTTER SUPPORT ON BOX BEAMS AT STA 1669 OF LH LOWER SILL PAX CABIN.   GUTTER SUPPORT ON BOX BEAMS AT STA 1669 OF LH LOWER SILL PAX CABIN WAS REPLACED PER B757-300 SRM 51-40-02-0G. PAR 7.D. AND PAR 4. (LP 1705202 - AIRCRAFT WAS GROUNDED)

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