As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ENG 1 FF 20% ABOVE ENG 2. 103.5% N1 REQUIRED ENG 1 CLIMB FL340, ENG 2 94% N1. MAINTENANCE FOUND LEAK IN PF SYS AIR TUBING. FOUND NUT LOOSE IAW IPC 77-11-53-02 FIG 02 ITEM 95. TIGHTENED AND SAFTIED NUT. OPERATED ENG 1 AND ENG 2 AT SAME POWER SETTINGS UP TO CLIMB POWER IAW AMM 71-00-00. ALL PARAMETERS MATCHED.