# SDR SWAA2025040705197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2025
- Submitted: April 7, 2025
- Operation: Air carrier
- Aircraft: [N939WN](https://openairdocs.org/aircraft/N939WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36646
- Aircraft time: 51,518 hours, 31,311 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Support
- Condition: Cracked
- Location: Zone 300
- 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/SWAA2025040705197

## Discrepancy

CRACK BLADE SUPPORT STRUCTURE OF THE ACCESS PANEL 333AT AT LT HORIZONTAL STABILIZER 2025-203656<[01] REPLEACED BLADE SUPPORT STRUCTURE OF THE ACCESS PANEL 333AT AT LT HORIZONTAL STABILIZER B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9;[02] CORREDTED STEP 1 REPLEACED BLADE SUPPORT STRUCTURE OF THE ACCESS PANEL 333AT AT LT HORIZONTAL STABILIZER B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9. TOOL USED CALIPER P/N: 500-197-30 S/N: A23272233 DUE DATE: JAN-07-2026;[03] CORREDTED STEP 2 REPLEACED BLADE SUPPORT STRUCTURE OF THE ACCESS PANEL 333AT AT LT HORIZONTAL STABILIZER B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9. TOOL USED CALIPER P/N: 500-197-30 S/N: A23272233 DUE DATE: 07-JAN-26;[04] COMPLETED TASK CERTIFIED

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