As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - APU FAULT MESSAGE UPON START ATTEMPT ON GROUND. HUNG START AT 30% RPM AND 770 DEGREE C EGT. REMOVED AND REPLACED APU STARTER MOTOR PER AMM 49-41-01. OPS AND LEAK CHECK OK. REMOVED AND REPLACED APU GENERATOR SCAVENGE FILTER AND APU LUBE FILTER PER AMM 49-27-03. LEAK CHECK OK.