As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- EMERGENCY LIGHTS IN CABIN FLICKER ON AND OFF 1-2 TIMES PER SECOND. ENGINE INTAKE BYPASS AND PROPELLER SYNCRONIZATION LIGHTS ALSO FLICKER RAPIDLY. REPLACED NR 2 AC GENERATOR CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.