What was found
PULLING POWER BACK AT 6,000 FEET, TORQUE DROPPED AND AIRCRAFT YAWED. RETURNED TO SFO. PERFORMED POWER RUN ON LEFT ENGINE, ON GROUND AND COULD NOT DUPLICATE DISCREPANCY. DEFERRED LEFT EEC FOR TROUBLESHOOTING AS PER MEL 73211.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PULLING POWER BACK AT 6,000 FEET, TORQUE DROPPED AND AIRCRAFT YAWED. RETURNED TO SFO. PERFORMED POWER RUN ON LEFT ENGINE, ON GROUND AND COULD NOT DUPLICATE DISCREPANCY. DEFERRED LEFT EEC FOR TROUBLESHOOTING AS PER MEL 73211.