# SDR SWAA2022051897335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2022
- Submitted: May 18, 2022
- Operation: Air carrier
- Aircraft: [N928WN](https://openairdocs.org/aircraft/N928WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36890
- Aircraft time: 45,601 hours, 27,673 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Skin
- Condition: Cracked
- Location: Lh Hor Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022051897335

## Discrepancy

CRACK FOUND AT LH HORIZONTAL STABILIZER LOWER SKIN STAB STA 193.90; 17' FROM FRONT SPAR I/B ROW. CRACK LENGTH 1'. CRACK FOUND AT LH HORIONTAL STABILIER LOWER SKIN STAB STA 193.90 17' FROM FRONT SPAR I/B ROW. CRACK LENGTH 1'. / LOCATED AND DRILLED THE REPAIR HOLES AT REPAIR DOUBLER AND SKIN AS PER B737-700 SRM 51-40-05-0G-0. CUT OUT DAMAGED AREA PER SRM 55-10-01-2R-11 REPAIR 11. PERFORMED HFEC AT CUT OUT IAW NDTM PART 6; 51-00-00 PROCEDURE 23. NO CRACKS.FINALIZED DOUBLER FABRICATION AS PER B737-700 SRM 55-10-01-2R-11 REPAIR 11;COUNTERSUNK DOUBLER AS PER B737-700 SRM 55-10-01-2R-11 REPAIR 11 AND 51-40-08-0G-0; TREATED AND PRIMED REPAIR PARTS AS PER B737-700 SOPM 20-43-03 AND SRM 51-20-01-0G-0;INSTALLED REPAIR DOUBLER AND FILLER AS PER B737-700 SRM 55-10-01-2R-11 FIGURE 204.

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