As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TEST AIRCRAFT EXPERIENCED DUAL ENGINE FLAMEOUT DURING CLIMB AFTER TAKE OFF. PILOT RE-STARTED ENGINES AND COMPLETED FLIGHT. 25 DAYS LATER, PILOT EXPERIENCED ENGINE FLAME OUT ON GROUND. TROUBLESHOOTING DETERMINED THAT ENGINE POWER CONTROL LEVER RIGGING TO ENGINE FUEL CONTROL WAS INCORRECT AS PER CESSNA 560 SERIES MAINTENANCE MANUAL, WORK PACKAGE 71-00.