# SDR SWAA2024011531924

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2023
- Submitted: January 15, 2024
- Operation: Air carrier
- Aircraft: [N919WN](https://openairdocs.org/aircraft/N919WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36625
- Aircraft time: 50,919 hours, 30,525 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- 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/SWAA2024011531924

## Discrepancy

CRACK ACCESS PANEL 321A INTERNAL CAVITY RIB 8 VERTICAL STABILIZER 2023-758466<[01] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24.;[02] REPLACED RIB 8 LOC ON ACCESS PANEL 321A INTERNAL CAVITY VERTICAL STABILIZER IAW B737-700 51-40-02 AND DRAWING 174A0103 REV:-<BR>SEE INDIVIDUAL SIGNOFFS BELOW;[03] COMPLETE TASK CERTIFIED

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