As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPLICATION OF TAKEOFF POWER LEFT ENGINE LAGGED BEHIND. THE AUTO FEATHER NOT ARMED WARNING OCCURRED. TIGHTENED LOOSE P3 LINE AT LEFT HMU. PERFORMED POWER ASSURANCE RUN. LEFT AND RIGHT ENGINES ADVANCED EQUAL AND MATCHED PW MM 72-00-00 PG 509.