What was found
AFTER GEAR RETRACTION GOT MASTER WARNING CAUTION AND AT LEAST THREE CAUTION LIGHTS. LIGHTS WENT OUT AFTER GEAR RETRACTION (2-3 SECONDS) F/O OBSERVED "SPOILER OUTBD" AND "ROLL SPLR INBD HYD CAUTIONS SPEED ABOUT 140 KIAS. REMOVED FROM SERVICE. INTEROGATED CDS AND FOUND NO CURRENT OR LOGGED FAULTS. C/W OPS TEST OF ROLL SPOILER SYSTEM IAW Q400 AMM 27-10-00-870-079 . OPS TEST GOOD. C/W BLEEDING OF 1 HYD SYSTEM AND 2 HYD SYSTEM IAW Q400 AMM 29-10-00-870-079 AND 29-10-00-870-077. C/W WITH OPERATIONAL TEST OF ROLL SPOILER SYSTEM IAW AMM 27-60-00-710-801. OPS TEST GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.