# SDR SWAA2025050520674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N290WN](https://openairdocs.org/aircraft/N290WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36632
- Aircraft time: 57,406 hours, 34,635 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/SWAA2025050520674

## Discrepancy

CRACK FOUND ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 184.70 RIB; 10.5 INCHES FROM FRONT SPAR; INB SIDE OF RIB LENGTH APPROX= 0.900 INCHES 2025-232357<[01] TOOL USED ON STEP 7: EDDY CURRENT EQUIPMENT P/N:NORTEC 600D; S/N:200048001; DUE DATE: 28-MAY-25.;[02] TOOL USED ON STEP 8: EDDY CURRENT EQUIPMENT P/N:NORTEC 600D; S/N:200048001; DUE DATE:28-MAY-25.;[03] TOOL USED: ET EQUIPMENT; P/N: NORTEC600D; S/N: 210138103; CAL DUE DATE: 10-JUN-25

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