As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STATUS MSG APU OIL QTY LIGHT CAME ON 2.8 HRS INTO FLT. APU RAN FOR GEN MEL ITEM. MAINT TEXT: NO APU LEAKS UPON ARRIVAL. SERVICED 1.5 QTS OIL IN APU. RAN APU AND FOUND NO LEAKS. TAIL PIPE DRY. HUNG START AT 40 PERCENT WITH AUTO SHUT DOWN TWICE. REPLACED APU BATTERY.