# SDR CALA2026041515386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2026
- Submitted: April 15, 2026
- Operation: Air carrier
- Aircraft: [N73270](https://openairdocs.org/aircraft/N73270), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31632
- Aircraft time: 75,425 hours, 26,578 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143A5410170
- 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/CALA2026041515386

## Discrepancy

CRACKED FWD WET AREA INTERCOSTAL UPPER FLOOR SUPPORT ANGLE BETWEEN STA 380 AND 400 AT BL-0.  REMOVED AND REPLACED UPPER FLOOR SUPPORT ANGLE AT BL-0 BETWEEN STA 380 AND STA 400 FWD WET AREA AS PER SRM 51-40-02-0G-0 PARAGRAPH 4.

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