What was found
FLT NR 973. CREW REPORTED HIGH ENGINE VIBRATION ON CLIMB OUT. DECLARED AN EMERGENCY & RTF MAKING AN OVERWEIGHT LANDING. PILOT REPORTED SMOKE COMING FROM NR 1 ENGINE ON SHUTDOWN, WHICH STOPPED AFTER FIRE BUTTON RELEASE. R&R LPT ACTIVE CLEARANCE CONTROL SYS FUEL MANIFOLD IAW MM 75-22-10-400-002. INSPECTED NR 1 ENGINE & FOUND BLADES 18 AND 17 SHINGLING, UNSHINGLED BLADES. BLADES PLACED ON A 50 CYCLE MONITOR. COMPLIED WITH VIBRATION CHK IAW MM 71-00-00-05-210-009. PERFORMED OVERWEIGHT LANDING INSPECTION IAW MM 05-51-11-210-090 & 31-37-00-991-003. OPS CHK GOOD. ACFT RETURNED TO SERVICE. R&R BLADES 17, 18, 35, & 36. VIBRATION CHKS OK IAW MM 71-00-00-05-210-009.