# SDR SWAA2022072924039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N428WN](https://openairdocs.org/aircraft/N428WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29844
- Aircraft time: 66,134 hours, 39,057 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: L/H Wing
- 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/SWAA2022072924039

## Discrepancy

LH L/E #3 RIB - CRACKED AT BOTH ENDS BY FASTENER HOLE / [01] REMOVED #3 RIB AT L/H L/E IAW B737 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW RIB AT L/H L/E IAW B737 SRM 51-40-05-0G-0.;[03] VERIFIED AMT STEPS 1 AND 2 OK TO INSTALL.;[04] INSTALLED #3 RIB AT L/ H L/E IAW B737 SRM 51-40-02-0G-0.;[05] SUMMARY :REMOVED #3 RIB AT L/H L/E IAW B737 SRM 51-40-02-0G-0.LOCATED AND DRILLED NEW RIB AT L/H L/E IAW B737 SRM 51-40-05-0G-0.INSTALLED #3 RIB AT L/ H L/E IAW B737 SRM 51-40-02-0G-0.;[06] VERIFIED AMT STEPS 4 AND 5. AND STEP 3 AS RII.

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