As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CLIMBING THROUGH FL120, THE LT ENGINE FLAMED OUT AND RELIT WITHIN 5 TO 7 SEC. THERE WERE NO COCKPIT WARNINGS AND NO FAULT CODES RECORDED. A REVIEW OF THE FLIGHT DATA RECORDER POINTS TOWARDS AN UNCOMMANDED AUTOFEATHER. TROUBLESHOOTING IS ON-GOING AND FOCUSING ON THE AUTOFEATHER UNIT AND TORQUE SENSOR.