# SDR CALA2025112411414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2025
- Submitted: November 24, 2025
- Operation: Air carrier
- Aircraft: [N76288](https://openairdocs.org/aircraft/N76288), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33451
- Aircraft time: 65,749 hours, 24,250 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 145A524053
- Condition: Cracked
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025112411414

## Discrepancy

CRACKED FLOOR SUPPORT AT LH, ON STA 540, BTW LBL 47 AND 64 AT W ING BOX CENTER SECTION (REF AAR NR 1000058054) FABRICATE, LOCATED, DRILLED AND INSTALLED NEW PLATE ON FLOOR SUPPORT BTW LBL 47 TO LBL 64 STA 540 IAW B737-800 DWG 145A5240 AND SRM 51-40-02-0G-0, GMM 07-35-05 CAT 3.  ALL WORK CAPTURED ON AAR RFD N/R 1000058054 FABRICATE, LOCATED, DRILLED AND INSTALLED NEW PLATE ON FLOOR SUPPORT BTW LBL 47 TO LBL 64 STA 540 IAW DWG 145A5240 AND SRM 51-40-02-0G-0, GMM 07-35-05 CAT 3.

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