# SDR DALA2026062303740

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2026
- Submitted: June 23, 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): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- 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/DALA2026062303740

## Discrepancy

CORROSION OUT OF LIMITS, IN REF NRC 362: CORROSION ON RH SIDE PANEL UPPER/LOWER SURFACE FROM BS 1440 TO BS 1480, AT AFT CARGO COMPARTMENT IAW SRM 53-00-53-1A PROCEDURE 1 ALLOWABLE DAMAGE 1 FIG. 11 NOTE C, DETAIL IX AND B757 NDT-4-51-00-10 STEP 4.  CORROSION LEVEL 2; RH SIDE PANEL FROM BS 1440 TO BS 1520, AT AFT CARGO COMPARTMENT WAS REPLACED PER SRM 51-40-02-0G PAR. 7. D. (1660278) AIRCRAFT WAS GROUNDED.

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