What was found
(CAN)APU START GROUNDING LEAD LOOSE AT TERMINAL POST OF GROUNDING BRACKET CAUSING ARCING ELONGATION OF HOLE ON BRACKET. ONE TERMINAL LEAD BURNED. CORROSION AROUND HOLE MAY HAVE CAUSED BAD CONTACT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)APU START GROUNDING LEAD LOOSE AT TERMINAL POST OF GROUNDING BRACKET CAUSING ARCING ELONGATION OF HOLE ON BRACKET. ONE TERMINAL LEAD BURNED. CORROSION AROUND HOLE MAY HAVE CAUSED BAD CONTACT.