# SDR SWAA2023013080800

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2022
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: [N7744A](https://openairdocs.org/aircraft/N7744A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33931
- Aircraft time: 51,253 hours, 26,798 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Condition: Cracked
- Location: Vertical 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/SWAA2023013080800

## Discrepancy

CRACK ON RIB 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER 2022-691651<[01] REPLACED RIB 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 DWG #174A1008 SHEET 2 REV. C SEE INDIVIDUAL SING OF BELOW TOOL USED CALIPER P/N: 700-113-10 S/N: 0033152 DUE DATE: 08-OCT-23;[02] REPLACED RIB 8 LOC DORSAL FIN 321A AT VERTICAL STABILIZER IAW B737-700 SRM 51-40-02 DWG #174A1008 SHEET 2 REV. C SEE INDIVIDUAL SING OF BELOW TOOL USED CALIPER P/N: 700-113-10 S/N: 0033152 DUE DATE: 08-OCT-23

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