# SDR SWAA2021062876429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2021
- Submitted: June 28, 2021
- Operation: Air carrier
- Aircraft: [N207WN](https://openairdocs.org/aircraft/N207WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34012
- Aircraft time: 52,378 hours, 31,227 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Bs 540 Bl0-Lbl24
- 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/SWAA2021062876429

## 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 BS 540 ; BL 0 - LBL 24.5; WL 208.1 IAW SRM 51-40-02; [02] LOCATED AND DRILLED FLOOR SUPPORT P/N 143A5240-35 AT BS 540; BL 0 TO LBL 24.5; WL 208.1 IAW SRM 51-40-05-0G-0 AND DWG 143A0060; [03] OK TO INSTALL FLOOR SUPPORT BS 540; BL 0 TO LBL 24.5; WL 208.1; [04] VERIFIED FLOOR SUPPORT P/N 143A5240-35 AT BS 540; BL 0 TO LBL 24.5; WL 208.1 IS LOCATED AND DRILLED IAW SRM 51-40-05-0G-0 AND DWG 143A0060. OK TO INSTALL; [05] INSTALLED FLOOR SUPPORT AT BS 540; BL 0 - LBL 24.5 ; WL 208.1 IAW SRM 51-40-02 AND DWG 143A0060 REV A; [06] VERIFIED INSTALLATION OF FLOOR SUPPORT AT BS 540; BL 0 - LBL 24.5 ; WL 208.1 IAW SRM 51-40-02 AND DWG 143A0060 REV A; [07] VERIFIED CARD COMPLETE

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
