# SDR SWAA2023031301502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N289CT](https://openairdocs.org/aircraft/N289CT), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36633
- Aircraft time: 50,940 hours, 30,659 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Support
- Condition: Cracked
- Location: Zn 200 Fus Top
- 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/SWAA2023031301502

## Discrepancy

FLOOR SUPPORT HAS A CRACK BS 540 LBL 44<[01] VERIFIED APPLICABILITY NOT ALLOWABLE ITEMS THAT DO NOT HAVE ENTRIES ARE CALLEDREPAIRABLE BY REPLACEMENT IAW SRM 51-10-02 STEP 9C;[02] REMOVED FLOOR SUPPORT AT BS 540 LBL 25 TO LBL45 IAW SRM 51-40-02;[03] RECEIVED NEW FLOOR SUPPORT AT BS 540 LBL25 TO LBL45 P/N 143A5240-32 PO#905537. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 143A5240.<BR>OK TO INSTALL;[04] VERIFIED CORRECTIVE ACTION ITEM 3; OK TO INSTALL.;[05] INSTALLED FLOOR SUPPORT AT BS 540 LBL25 - LBL45 IAW SRM 51-40-02 AND DWG 143A0060;[06] VERIFIED CORRECTIVE ACTION 5 AND THE MEASUREMENT TABLE.

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