As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/AEMERGENCY DECLARED - PARTIAL/INTERMITTENT APU FIRE WARNING INDICATION BEGAN AS ONLY APU FIRE HANDLE ILLUMINATED INTRMITTENTLY ON DESCENT FULL APU FIRE WARNING WITH AUDIBLE AND LEVEL 3 ALERT. DISCHARGED BOTH BOTTLES AND FIRE WARNING REMAINED UNCHANGED ANDR/R AUXILIARY POWER CONTROL UNIT IAW AMM 49-05-01-401 IPC 49-04-01-01 ITEM 005J