# SDR SWAA2021122245145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2021
- Submitted: December 22, 2021
- Operation: Air carrier
- Aircraft: [N7863A](https://openairdocs.org/aircraft/N7863A), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30644
- Aircraft time: 54,598 hours, 36,232 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Cracked
- Location: Horizontal 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/SWAA2021122245145

## Discrepancy

CRACK INDICATIONS FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.0 INCH FROM FRON SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 2.0 INCH ; 2021-520536 / [01] TOOL USED: ET EQUIPMENT P/N: NORTEC 600D; S/N: 200048001; CAL DUE DATE: 24-FEB-22; [02] REPAIRED LOWER IN-SPAR SKIN LH HORIZONTAL STABILIZER AT STATION 193.90 RIB; 17.0 INCH FROM FRON SPAR; INBD SIDE OF RIB I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11. SEE INDIVIDUAL SING-OFFS BELLOW.; [03] CERTIFIED TASK I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11 COMPLETE RII

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