As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2164 - UPON STARTING THE BETA LOCKOUT TEST RECEIVED BOTH NR 1 MANUAL AND NR 2 MANUAL CAUTION LIGHTS. MAINTENANCE RESET BETA LOCKOUT SYSTEM AND COMPLIED WITH BETA LOCKOUT OPERATIONAL CHECK IAW -8 200 AMM 76-10-16. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.