As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MNL - FLT 880 - AT CRUISE JUST PRIOR TO DESCENT, THE APU FIRE LIGHT AND ALARM WENT OFF. FIRE HANDLE WAS PULLED AND DISCHARGE BUTTON PUSHED. LIGHT REMAINED ILLUMINATED. REMOVED APU SHROUD AND CHECKED APU FOR EVIDENCE OF FIRE, NONE FOUND. SUSPECT FALSE WARNING. REINSTALLED PANELS AND DEACTIVATED APU PER DDP. AIRCRAFT RELEASED WITH APU INOPERATIVE PER MEL 49-01. (X)