What was found
DURING TAXI GOT APU FIRE WARNING. BOTTLE WAS DISCHARGED, BUT LIGHT REMAINED ON. FIRE TRUCKS ESCORTED AIRCRAFT BACK TO TERMINAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI GOT APU FIRE WARNING. BOTTLE WAS DISCHARGED, BUT LIGHT REMAINED ON. FIRE TRUCKS ESCORTED AIRCRAFT BACK TO TERMINAL.