# SDR DALA2026030901613

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2026
- Submitted: March 9, 2026
- Operation: Air carrier
- Aircraft: [N584NW](https://openairdocs.org/aircraft/N584NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32984
- Aircraft time: 79,077 hours, 26,068 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- 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/DALA2026030901613

## Discrepancy

SHIP 5804 CORROSION ON LOWER SILL SETTLEMENT AREA OF THRESHOLD (UPPER/LOWER FACE) BTW STA 1360 TO STA 1460 AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00217: CORROSION LEVEL 2. LOWER SILL SETTLEMENT AREA OF THRESHOLD (UPPER/LOWER FACE) BTW STA 1360 TO STA 1460 AT AFT CARGO COMPARTMENT WAS REPLACED AND INSTALLED PER B757-300 SRM 51-40-02-0G PAR.4B AND PAR.7D. (1479326)

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