# SDR SWAA2022072920510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 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): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Floor Support
- Condition: Cracked
- Location: Center Wing Box
- 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/SWAA2022072920510

## Discrepancy

MAIN CABON CENTER WING BOX FLOOR SUPPORT BREAK CRACKED @ STA 540 LBL-1 MKD DOT / [01] REMOVED FLOOR CABIN PANEL 231UF AS PER B-737-700 SRM 51-40-02-0G-0.;[02] REMOVED MAIN CABIN CENTER WING BOX FLOOR SUPPORT STA 540 LBL-1 AS PER B-737-700 SRM 51-40-02-0G-0.;[03] LOCATED AND DRILLED NEW PART AS PER B-737-700 SRM 51-40-05-0G-0.;[04] VERIFIED STEPS:1;2; AND 3. <BR>OK TO INSTALL NEW FLOOR SUPPORT BREAK.;[05] INSTALLED NEW FLOOR SUPPORT BREAK IN REFERENCE B-737-700 SRM 51-40-02-0G-0.;[06] VERIFIED STEP 5. <BR>OK TO REINSTALL FLOOR CABIN PANEL 231UF.;[07] INSTALLED CABIN FLOOR PANEL 231UF AS PER B-737-700 SRM 53-21-00-400-801.;[08] VERIFIED INSTALLATION

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