What was found
DURING HEAVY MAINTENANCE, CORROSION INTERNAL SKIN ON ACCESS PANEL 351GL IN TAIL COMPARTMENT. ACCOMPLISHED REPAIR OF CORROSION DAMAGE FOUND ON THE TAIL CONE ( S/N: 0200001, P/N 170-50005-421) APU BAY FWD ACCESS PANEL 351GL IN ACCORDANCE WITH EA 53-0571-20 COVER REV 0, PART 1 AND 2, EC NO E20-600-01 AND ETD 2020-190-024949 REV B.