# SDR SWAA2026022671766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2026
- Submitted: February 26, 2026
- Operation: Air carrier
- Aircraft: [N247WN](https://openairdocs.org/aircraft/N247WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32508
- Aircraft time: 64,547 hours, 38,979 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Plate
- 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/SWAA2026022671766

## Discrepancy

CORROSION AT ACB ON ZEE PLATE BS 727 - 767, RLB 21, WL 157.   REMOVED THE CORROSION DAMAGE ON ACB ZEE PLATE, 1.0 X 1.0, ORIGINAL THICKNESS: 0.040', MAXIMUM MATERIAL REMOVED 0.015', REMAINING THICKNESS IS 0.025' FOUND TO BE OUT OF LIMIT IAW SRM 53-60-53-0L-2, AND SRM 53-00-53-1A-2.  REMOVED AND REPLACED ACB ZEE PLATE BS 727 - 767, RLB 21, WL 157 IAW SRM 51-40-02. AND DWG 146A7500, REV-.

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