# SDR SWAA2023081460412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 66,457 hours, 39,411 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023081460412

## Discrepancy

MAIN CABIN FLOOR CENTER AISLE SUPPORT BREAK CRACKED @ RBL 1 STA 540 WL 208.1<[01] REMOVED FLOOR SUPPORT BREAK ASSY AT STA 540 BTW RBL 1 TO RBL 20 AS PER B737-700 SRM 51-40-02.;[02] LOCATED AND DRILLED NEW FLOOR SUPPORT BREAK ASSY PN 143A5240-36 AT STA 540 BTW RBL 01 AND RBL 20 (APPROX) AS PER B737-700 SRM 51-40-05-0G-0.;[03] VERIFIED STEP #1.<BR>VERIFIED /INSPECTED LOCATED AND DRILL NEW FLOOR SUPPORT (BREAK ASSY)<BR>OK TO INSTALL.;[04] INSTALLED NEW FLOOR SUPPORT BREAK ASSY 143A5240-36 AT STA 540 BTW RBL 0 AND RBL 25 (APPROX) AS PER B737-700 SRM 51-40-02-0G-0;[05] VERIFIED STEP 4; INSTALLATION.

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