As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING OUT OF CAK, LEFT HAND ENGINE HAD N1 FLUCTUATIONS. THEY DECLARED AN EMERGENCY BUT DID NOT SHUT DOWN THE ENGINE AND LANDED SAFELY BACK IN CAK. THEY WERE ABLE TO TAXI TO GATE WITHOUT ISSUE. MX REPLACED THE INLET TEMP SENSOR. OPS CHECK GOOD.