# SDR SWAA2023110205093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2023
- Submitted: November 2, 2023
- Operation: Air carrier
- Aircraft: [N456WN](https://openairdocs.org/aircraft/N456WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32463
- Aircraft time: 63,098 hours, 37,806 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 300 Stabilize
- 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/SWAA2023110205093

## Discrepancy

CRACK INDICATION FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 25.0 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 1.03 INCHES 2023-614913<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[03] PERFORMED REPAIR LOCATED ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB 25.0 INCH FROM FRONT SPAR IAW B737-700 SRM 55-10-01?2R-11 REPAIR 11. <BR><BR>SEE INDIVIDUAL SIGN OFF BELOW.;[04] PERFORMED REPAIR LOCATED ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB 25.0 INCH FROM FRONT SPAR IAW B737-700 SRM 55-10-01?2R-11 REPAIR 11. RII SEE INDIVIDUAL SIGN OFF BELOW.

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