# SDR DALA2026072804348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2026
- Submitted: July 28, 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: Floor 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/DALA2026072804348

## Discrepancy

CORROSION ON FLOOR SUPPORT STRINGERS (4 E/AS ) AS FOLLOW RBL 15 STA 1404 AND 1470; RBL 10 STA 1420 AND STA 1470, LBL 10 AND LBL15 OF STA 1470 AT AFT CARGO COMPARTMENT.   REPAIRED PER B757-300 SRM 53-00-53 (1720324)(AIRCRAFT GROUNDED)

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