As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS REMAINED ON DURING PREFLIGHT. RED LIGHT ILLUMINATED IN THE GUARDED SWITCH. PERFORMED AN EMERGENCY LIGHT TEST IAW MM 33-51-00-05, AND FOUND ONE CEILING EMERGENCY LIGHT BURNED OUT. REPLACED THE LAMPS IAW MM 33-51-03-02 AND PERFORMED A TEST. TESTED OK IAW MM 33-51-00-05.