As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 APU GENERATOR BEARING FAILURE LIGHT ILLUMINATED & GRND CREW REPORTED SMOKE EMANATING FROM APU. FIRE HANDLE PULLED & BOTTLE DISCHARGED AS A PRECAUTION. VISUAL INSPECTION OF APU COMPARTMENT BY MX & F/E SHOWED DAMAGE ONLY TO THE #2 GENERATOR. NO FIRE OR DAMAGE TO OTHER COMPONENTS OR STRUCTURES. DEACTIVATED APU & DEFERRED PER MEL 49-01, DMI #29098. MX XTL LGB NOTIFIED & PLACARDS INSTALLED.