# SDR CALA2026071017667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2026
- Submitted: July 10, 2026
- Operation: Air carrier
- Aircraft: [N38257](https://openairdocs.org/aircraft/N38257), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30612
- Aircraft time: 77,090 hours, 29,091 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A5410U13
- Condition: Corroded
- 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/CALA2026071017667

## Discrepancy

POSSIBLE CORROSION ON FLOOR SUPPORT BTW STA 312 TO 328 LBL 11.  REMOVED AND LOCATED, DRILLED AND INTALLED NEW INTERCOSTAL ON FLOOR SUPPORT BTW STA 312 TO 328 LBL 11. IAW  SRM 51-40-02-0G-0, SRM 51-40-08-0G-0, AMM 51-21-41-370-802 AND AMM 51-21-72-370-804.

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