# SDR CALA2025121512082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2025
- Submitted: December 15, 2025
- Operation: Air carrier
- Aircraft: [N76254](https://openairdocs.org/aircraft/N76254), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30779
- Aircraft time: 76,181 hours, 28,470 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Structure
- Part number: 141A83107
- Condition: Corroded
- Location: Sta259-360
- 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/CALA2025121512082

## Discrepancy

"CORROSION" AT FWD  WET AREA  STA328  RBL50 INNER CHORD DOT EV11 REF AAR N/R 99978986 INSTALLED NEW INNER CHORD AT FWD WET AREA STA328 RBL50 IAW B737-800 SRM 51-40-02-0G-0 AND DWG# 141A8310. REMOVED AND REPLACED INNER CHORD AT FWD WET AREA STA328 RBL50 IAW B737-800 SRM 51-40-02-0G-0 AND DWG# 141A8310.

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