What was found
DURING CLIMB AT FL290, CREW REPORTED A NR 1 ENGINE VIBRATION FOLLOWED BY A PUFF OF SMOKE IN THE COCKPIT. POWER WAS REDUCED AND A/C WAS DIVERTED TO CLT. DURING APPROACH WHEN NR 1 WAS BROUGH OUT OF IDLE CREW REPORTED MAX VIBRATION AND LOSS OF OIL PRESSURE. ENGINE WAS SHUT DOWN AND AN EMERGENCY WAS DECLARED. AIRCRAFT WAS LANDED SAFELY. REPLACED NR 1 ENGINE ASSEMBLY. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)