# SDR SWAA2021090705854

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: N755SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27871
- Aircraft time: 74,723 hours, 44,099 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Bs 540 Bl0-Lbl25
- 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/SWAA2021090705854

## Discrepancy

CRACKED FLOOR SUPPORT AT B.S 540; B.L. 0 - L.B.L. 24.5; W.L. 208.1. ; / [01] REMOVED FLOOR SUPPORT AT BS540 LBL24.5 PER SRM 51-40-02-0G-0; [02] LOCATED AND DRILLED NEW FLOOR SUPPORT AT BS 540;BL0-LBL24.5 PER SRM 51-40-05-0G-0 ; OK TO INSTALL; [03] VERIFIED CORRECTIVE ACTION #2. OK TO INSTALL GIVEN.; [04] INSTALLED FLOOR SUPPORT AT BS 540 BL0-LBL24.5 WL 208 PER SRM 51-40-02-0G-0 AND DWG#143A0060; [05] VERIFIED CORRECTIVE ACTION 4.<BR><BR>FLOOR SUPPORT REPLACED.; [06] FLOOR SUPPORT AT BS540; BL0 - LBL24.5; WL208.1 REPLACED. ALL WORK ACCOMPLISHED

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