# SDR CALA2026010412648

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2025
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N27213](https://openairdocs.org/aircraft/N27213), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28773
- Aircraft time: 83,484 hours, 30,800 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 143A41023
- Condition: Corroded
- Location: Zon E100
- 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/CALA2026010412648

## Discrepancy

FOUND EXFOLIATED CORROSION AT STA 540 CENTER WING LOWER SKIN FROM SPAR BETWEEN S-22R & 23R.  ACCOMPLISHED REPAIR AT WING CENTER SECTION LOWER SKIN BS 540 BETWEEN S22R AND 23R  ESR-WI 3-13294 AND ECRA 5710-02953,

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