# SDR DALA2026060903452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2026
- Submitted: June 9, 2026
- Operation: Air carrier
- Aircraft: [N587NW](https://openairdocs.org/aircraft/N587NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32986
- Aircraft time: 77,584 hours, 25,308 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Corroded
- Location: Zone 100
- 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/DALA2026060903452

## Discrepancy

AFTER REMOVAL OF AFT TOILET SERVICE PANEL CORROSION WAS FOUND ON INTERCOSTAL OF SERVICE PANEL.  CORROSION LEVEL 2: INTERCOSTAL (PAN ASSY) OF AFT SERVICE TOILET PANEL WAS REPLACED PER SRM 51-40- 02-0G PAR 4.B. (1636269) AIRCRAFT WAS GROUNDED.

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