# SDR CALA2025012100151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2025
- Submitted: January 22, 2025
- Operation: Air carrier
- Aircraft: [N77518](https://openairdocs.org/aircraft/N77518), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31605
- Aircraft time: 51,245 hours, 18,480 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A541012
- 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/CALA2025012100151

## Discrepancy

PASSENGER CABIN FLOOR BEAM INTERCOSTAL UPPER FLANGE PUNCTURED BETWEEN STA 312 TO 328 AT LBL 47. (DOR-241-001) REF AAR N/R 9936838 REMOVED AND REPLACED INTERCOSTAL AT STA 312-328 LBL 47 MAIN CABIN IAW B737-800 SRM 51-40-02-00-0 AND DWG#141A5400

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