What was found
WHILE PULLING POWER BACK FROM CLIMB POWER IN RESPONSE TO A TCAS WARNING AFTER DEPARTING PHL, THE NR 1 ENGINE FLAMED OUT. THE ENGINE WAS RESTARTED AND THE AIRCRAFT WAS DIVERTED TO EWR WHERE IT LANDED WITHOUT INCIDENT. AN ENGINE FLAME OUT INSPECTION OF THE NR 1 ENGINE WAS PERFORMED IAW MM 71-00-42 AND NO FAULTS WERE NOTED. THE MAIN FUEL FILTER WAS REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. THE NR 1 ENGINE WAS OPERATED AT TAKEOFF POWER FOR SEVERAL MINUTES AND OPERATION CHECKED GOOD.