What was found
FLAPS FAIL CAUTION MESSAGE IN FLIGHT. FLAPS FAIL DURING EXTENSION FOR FLAPS 8.FLAPS FAILED AT LEFT AT 2 DEG, RT AT 0 DEG, SPEED KTS. 0:50,6 DEG C. PERFORMED TROUBLSHOOTING IAW FIM REV 45 IAW AD 2009-06-12 PARA H, 6, I, AMOC DATED JULY 22, 2013,AND PA AD 27-052M. FOUND LT OUT FLAP OTBD ACTUATOR SEIZED. REPLACED IAW AMM 27-53-05. ACFT OK FOR SERVICE.