As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIRE INDICATION ON GROUND. BLEW BOTTLE INTO APU DURING CHECKLIST. RT FIRE BOTTLE IS EMPTY. [07-12-07] REMOVED TAIL CONE AND INSPECTED APU FOR DAMAGE. FOUND NO DAMAGE. REMOVED APU FIRE DETECT LOOP AND INSTALLED A NEW GAC FURNISHED BOTTLE. PERFORMED SATISFACTORY OPS CHECKS OF THE APU AND ENGINE ARE DETECT SYS. REF G200 MM 26-10-25, 26-10-20