As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 4152 - DURING CLIMB-OUT PASSING THROUGH 18,000 FEET, THE RIGHT ENGINE STARTED TO SURGE 6 TO 7 PERCENT. THE CREW REFERENCED THE QUICK REFERENCE HANDBOOK, CALLED MAINTENANCE CONTROL, THEN RETURNED TO PHL. MAINTENANCE INSPECTED AND REPLACED THE OVERSPEED GOVERNOR IAW DORNIER MM 72-00-00. OPS CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE. (M)