As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF DURING CLIMB NR 2 ENGINE FLAMED OUT, ENGINE RESTARTED BUT WOULD NOT ACCELERATE FROM IDLE. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. AFTER TROUBLESHOOTING, FOUND PS4 LINE ON TOP OF ENGINE BROKEN. REPLACED LINE, OPS CHECK OK.