# SDR SWAA2023033011853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2023
- Submitted: March 30, 2023
- Operation: Air carrier
- Aircraft: [N556WN](https://openairdocs.org/aircraft/N556WN), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33936
- Aircraft time: 37,398 hours, 21,958 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Floor 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/SWAA2023033011853

## Discrepancy

CRACK ON PASSENGER CABIN FLOOR SUPPORT AT BS 540 LBL 26.<[01] NOT ALLOWABLE DAMAGE FOUND ON SRM PART THAT DO NOT ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02 STEP 9C;[02] REMOVED FLOOR SUPPORT ON PASSENGER CABIN AT BS 540 LBL 26 IAW SRM 51-40-02;[03] RECEIVED ON FWD CABIN NEW FLOOR SUPPORT ON BS 540 LBL 26 P/N 143A5240-32. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 143A0060.<BR>OK TO INSTALL;[04] OK TO INSTALL GIVEN; VERIFIED CORRECTIVE ACTIONS STEP 3.;[05] INSTALLED NEW FLOOR SUPPORT ON BS 540 LBL 26 P/N 143A5240-32 ON FWD CABIN I.A.W SRM 51-40-02-0G-0 AND DWG 143A0060.;[06] VERIFIED CORRECTIVE ACTIONS STEP 5.;[07] VERIFIED MEASUREMENTS TABLE.;[08] CERTIFY

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