As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW CREW REPORTED AFTER TAKEOFF DURING CLIMB OUT RPM VARIED ON LT ENGINE. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LT ENGINE INLET BULLET THAT HAD DEBRIS. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.