What was found
LEVEL 2 CORROSION, APU EXHAUST TAIL CONE AT FR 86, ACCESS PANEL 317AL WERE FOUND FRAME AUXILIARY, TRANSFORMER REAR NAVIGATION LIGHT AND BONDING ANGLE WITH CORROSION AND AT FUSELAGE AREA FOUND FR 86 LOWER FRAME SECTION (CHANNEL) WITH CORROSION. (LP: 1813002, AIRCRAFT WAS GROUNDED)