What was found
NR 1 ENGINE FAN VIB IN YELLOW ARC SHORTLY AFTER TAKEOFF. ON ENGINE RUN UP, COULDN'T DUPLICATE PROBLEM. AT HIGH POWER SETTINGS, VIB NEVER GOT ABOVE .3. INSPECTED FAN BLADES VISUALLY AND INSPECTION GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 ENGINE FAN VIB IN YELLOW ARC SHORTLY AFTER TAKEOFF. ON ENGINE RUN UP, COULDN'T DUPLICATE PROBLEM. AT HIGH POWER SETTINGS, VIB NEVER GOT ABOVE .3. INSPECTED FAN BLADES VISUALLY AND INSPECTION GOOD.