As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 5003 - DURING CLIMB, THE RIGHT BETA LIGHT FLASHED ON AND OFF. AFTER BRINGING THE RIGHT CONDITION LEVER TO 1070 RPM FOR CLIMB IT FLASHED ON AND OFF UNTIL LANDING. MAINTENANCE CLEANED CONTACT SWITCHES IAW SAAB 76-10-05. FUNCTIONAL CHECK FLIGHT WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)