# SDR CALA2024031900781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2024
- Submitted: March 19, 2024
- Operation: Air carrier
- Aircraft: [N39416](https://openairdocs.org/aircraft/N39416), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37093
- Aircraft time: 51,341 hours, 18,047 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A5410U23
- Condition: Cracked
- Location: Bs 344-360 Bl0
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024031900781

## Discrepancy

(SUPPORT TASK) MAIN CABIN FLOOR STRUCTURE INTERCOSTAL LOCATED AT STA 344-360 BL0 CRACKED.  T  REPLACED INTERCOSTAL 141A5410N147 LOCATED AT STA 344-360 BL0 IAW B737-900ER SRM 51-40-05, SRM 51-40-02 AND BOEING DWG 141A5400 S HEET 32 REV-.

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