# SDR SWAA2026070613250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N966WN](https://openairdocs.org/aircraft/N966WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36966
- Aircraft time: 46,709 hours, 29,023 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- 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/SWAA2026070613250

## Discrepancy

FOUND TWO CRACK INDICATIONS ALONG THE LOWER L/H STAB SURFACE MEASURING ROUGHLY 1.5; AND 4.  FOUND UNER WIP1 INSTRUCTIONS ON TTG8Q01CQFWN.  REPLACED LT LOWER HORIZONTAL STAB SKIN IAW SRM 51-40-02-0G-0; SRM 51-40-04-0G-0; SRM 51-20-01-0-G-0; AMM 55-05-03-210-810; AMM 55-05-02-211-804; AMM 20-50-11-910-801; SOPM 20-50-19; DWG 182A4001 REV -; DWG 185A1700 REV.E; DWG 186A3000 REV. A; DWG 185A1600 REV. A, AND DWG 185A1320 REV. A; DWG 182A2401 REV-.

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