As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLYING WITH EA H-4910-F0356148 REVISION A PART 1 DATED SEP 11, 2020 STEP 3, FOUND APU GROUND GD1300-DC ARCHED AND PARTIALY MELTED. REPLACED BRACKET AND CHECKED GROUNDS GD01298-AC AND GD-1300-DC. REPAIRED LEADS AND OPS CHECKED APU. ALL WORK DONE IAW EA H-4910-T0356689.