As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOTS REPORTED LT ENGINE THRUST UNCOMMANDED, REDUCED TO ABOUT 86.5 PERCENT N1 THEN WENT BACK TO T/O THRUST BY ITSELF ON T/O ROLL. FF WENT TO OVER 3000 KG/MNTS. BASED ON PREVIOUS EXPERIENCE, MAINTENANCE SUSPECTED LT ENGINE FUEL PUMP AT FAULT. AFFECTED COMPONENT WAS REPLACED AND ENGINE RUN WAS PERFORMED OK. ACFT WAS DECLARED SERVICEABLE.