What was found
VIBRATION NOTED AT 10,000 FT AIRSPEED 310 KNOTS, SLOWED TO 260 KNOTS, VIBRATION STOPPED. GEAR WAS UP. REMOVED AND REPLACED RT SPOILER PCU REF AMM 27-62-01, OPS CHECK GOOD AT THIS TIME. REMOVED SPOILER PCU SER NO MAL 5041, PN 270007, TSN: 11492 CSN: 10286. SPOILER PCU SER NO MAL 5155, PN 270007, TSN: 12169, CSN: 10873. (K)