As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB LEFT ENGINE POWER FLUCTUATES. OPERATION WITH EEC OFF NOT CHECKED DURING CLIMB. CRUISE OPS NORMAL. ON DESCENT ENGINE UNSTABLE WITH EEC OFF. REMOVED AND REPLACED LEFT ENGINE EPR X-MITTER PER MM 77-11-01-4. OP CHECK GOOD. (M)