# SDR SWAA2024100931738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2024
- Submitted: October 9, 2024
- Operation: Air carrier
- Aircraft: [N256WN](https://openairdocs.org/aircraft/N256WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32514
- Aircraft time: 59,564 hours, 35,985 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024100931738

## Discrepancy

CRACK INSPAR RIB 120.30 LOCATED AT 28.5 INCHES OF FRONT SPAR AT LT HORIZONTAL STABILIZER 2024-528600<[01] STEPS 3 AND 4 TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012;CAL DUE DATE: 09-JAN-25 AND ELECTRONIC CALIPER P/N: 500-196-30; S/N: A22348307; CAL DUE DATE: 03-SEP-25;[02] TOOL USED: EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 09-JAN-25.;[03] PERFORMED REPAIR ON INSPAR RIB 120.30 LOCATED AT 28.5 INCHES OF FRONT SPAR AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] CERTIFIED RII MAJOR REPAIR WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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