As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING STRUCTURAL INSPECTION, MAINTENANCE FOUND SOME BIO-CORROSION ON LT WING MAIN SPAR LOWER CAP BETWEEN WS 114 AND WS 124. REPAIRED IAW MFG FR-CO-01443 REV. 4 SPAR CAP PLUG INSTALLATION ACCOMPLISHED IAW MFG FR-CO-01444 REV 2 IN CONJUNCTION WITH MFG FR-CO-01443 REV. 4.