As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TWICE DURING CLIMB THE LT ENG PWR ROLLED BACK. CREW REPOSITIONED THE THROTTLE AND POWER WAS RESTORED. REMAINDER OF THE FLIGHT WAS NORMAL. UPON ARRIVAL AT HOME BASE THE CREW REPORTED THE EVENT. MX CONDUCTED TROUBLESHOOTING INCLUDING INTERROGATION OF THE ON BOARD COMPUTERS AND DETERMINED THAT THE LT ENGINE HMU WAS AT FAULT. A REPAIRED SERVICEABLE UNIT WAS INSTALLED AND ALL POST INSTALLATION CHECKS WERE NORMAL.