# SDR DALA2026061503571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2026
- Submitted: June 15, 2026
- Operation: Air carrier
- Aircraft: [N589NW](https://openairdocs.org/aircraft/N589NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32989
- Aircraft time: 78,387 hours, 25,878 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/DALA2026061503571

## Discrepancy

CORROSION ON INTERCOSTAL BTW BS 1520 TO BS 1540 AND STRINGERS 30/29RH AT AFT CARGO COMPARTMENT.  CORROSION LEVEL 2, INTERCOSTAL BTW BS 1520 TO BS 1540 AND STRINGERS 30/29RH AT AFT CARGO COMPARTMENT WAS REPLACED PER B757-300 SRM 51-40-02-0G AND MANUFACTURE PER DWG: 146N8401 REV: -. UNDER NRC 00497. (1643883) AIRCRAFT WAS GROUNDED

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