# SDR DALA2026032001918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2026
- Submitted: March 20, 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: 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/DALA2026032001918

## Discrepancy

CORROSION ON FLOOR STRINGERS FROM LBL 16.10 TO RBL 16.10 BTW BS 1460 TO 1521 IN THE AFT CARGO BAY.   CORROSION LEVEL 2,  PREVIOUS REPAIR AT FLOOR STRINGERS BS 1470, LBL 10.45, LBL 2.90, RBL 7.45, AND BS 1510 LBL 2.90 AND LBL 7.55 WERE REPLACED PER SRM 53-00 -53-2R & SRM 51-40-02-0G PAR 7.  FLOOR STRINGERS BS 1470, RBL 2.90, RBL 10.45, RBL 16.10, AND LBL 16.10 WERE REPAIRED IAW SRM 53-00-53-2R.  FLOOR STRINGER AT BS 1500-1520, RBL 2.90 AT AFT CARGO BAY WAS REPLACED IAW SRM 51-40-02-0G, PAR 7. (1502191)

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