As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE 15 MIN AFTER APU SHUT DOWN. APU FIRE WARNING OCCURED. FIRE HANDLED PULLED AND BOTTLE DISCHARED. FIRE INDICATION TERMINATED. AFTER APPROX. 30 SEC. FIRE TEST CARRIED OUT, ALL INDICATIONS NORMAL. FLIGHT CONTINUED NO FURTHER PROBLEM. INVESTIGATION ON GROUND FOUND NO EVIDENCE OF FIRE OR OVER HEATING DAMAGE TROUBLE SHOOTING OF LOOPS AND WIRING FOUND NO FAULTS. A/C DISPATCH WITH MEL ON DISCHARGED BOTTLE AND MEL ON FIRE DETECTION SYSTEM..