As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU GENERATOR POWER NOT AVAILABLE. ACFT GROUNDED. REPLACED APU STARTER GENERATOR AS REQUIRED OPS CHECKED BAD. AIR PRESSURE WAS GOOD NO ELECTRICAL POWER. REF AMM 49-41-21-400-810. REPLACED REMOTE APU CONTROL PANEL REF MM 26-22-03. PERFORMED TESTS MM 26-22-00-730-801 & 26-22-00-720-801 ALL TEST PASSED.