As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIR TURNBACK DUE TO POWERPLANT MESSAGE. FOUND FAULT CODES 725, 741 AND 918 CH A AND CH B ENGINE #1. FAULT CODES HAVE BEEN CLEARED SUCCESSFULLY AND NO MORE ( POWERPLANT ) MESSAGE. AFTER ENGINE RUN UP, FAULT, ONLY FAULT CODE 918 CAME BACK . OPERATOR HAVE REPLACED P2.2 VALVE. DEFECT CLEARED (TC# 20190513011)