As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WO 199374 DISCREPANCY: LEVEL 2 CORROSION DISCOVERED ON LT LOWER WING DROP PANEL 532BB PIANO HINGE LE CORRECTIVE ACTION: REPLACEMENT OF HINGE WITH OEM PART. THIS IS A SUPPLEMENTAL TO PREVIOUSLY ISSUED SDR COEA2019031801804 TO CLARIFY THAT THIS IS A MINOR REPAIR.