As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE CREW RECEIVED A RIGHT HAND ENGINE NL INDICATION OF ZERO AND FLIGHT 2458 RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE NL PROBE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 72-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.