# SDR CALA2025012700208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2025
- Submitted: January 27, 2025
- Operation: Air carrier
- Aircraft: [N13750](https://openairdocs.org/aircraft/N13750), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28941
- Aircraft time: 79,388 hours, 28,539 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A85408
- Condition: Corroded
- Location: Zone 200
- 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/CALA2025012700208

## Discrepancy

CABIN AFT WET AREA FLOOR STRUCTURE INNER CHORD SURFACE AT R2 DOOR HAS CORROSION AT MULTIPLE AREAS. DOT 102-012 REF AAR N/R 9931978 REMOVED AND REPLACED CABIN AFT WET AREA FLOOR STRUCTURE INNER CHORD AT R-2 DOOR IN REF TO SRM 51-40-02, SRM 51-40-05 AND DWG 147A8501.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.