As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FIRE DETECTOR LIGHT ILLUMINATED ON SHORT FINAL FOR 4 SECONDS, IN HEAVY RAIN WITHOUT AUDIO SIGNAL DURING RUN UP. TRANSMISSION BEARING CAUTION LIGHT ILLUMINATED FOR 10 SECONDS AND SUBSEQUENTLY EXTINGUISHED. REMOVED AND CLEANED FIRE DETECTOR CONNECTOR PLUGS. REINSTALLED, OPS CHECKED GOOD. REMOVED A/C GENERATOR AND INSTALLED SERVICEABLE GENERATOR. OPS CHECK GOOD.