What was found
FLT 918 - LYH-IAD - DURING CLIMB MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE RPM SURGING. ENGINE SHUT DOWN AFTER 2 SURGES. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND SEALANT PARTIALLY BLOCKING INLET TO NEGATIVE G TANK. MAINTENANCE REMOVED EXCESS SEALANT AND PERFORMED GROUND RUN, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)