# SDR SWAA2021122040684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2021
- Submitted: December 20, 2021
- Operation: Air carrier
- Aircraft: [N778SW](https://openairdocs.org/aircraft/N778SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27883
- Aircraft time: 68,867 hours, 40,745 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Cracked
- Location: Cabin Floor
- 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/SWAA2021122040684

## Discrepancy

MAIN CABIN FLOOR SUPPORT BREAK CRACKED AT STA 540 LBL24 MKD DOT ; / [01] REMOVED FLOOR SUPPORT BREAK REF B737-7 SRM 51-40-02-0G-0; [02] LOCATED AND DRILLED NEW PANEL BREAK REF. B737-7 SRM 51-40-05-0G-0; TREATED AND PRIMED HOLES REF. SRM 51-20-01-0G-0; [03] VERIFIED STEP 1 AND 2; [04] OK TO INSTALL FLOOR SUPPORT BREAK; [05] REMOVED AND REPLACED FLOOR PANEL BREAK AT STA.540 BL'0' TO LBL24; REF USED B737-7 SRM 51-40-05-0G-0; 51-40-02-0G-0; 51-20-01-0G-0; & DRW#143A0060; [06] INSPECTED INSTALLATION

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