What was found
FLT 730 - MSY-PHL - AFTER TAKEOFF, GOT NOSE GEAR UNSAFE LIGHT AN RUMBLING NOISE FROM NOSE AREA. SELECTED GEAR DOWN, GOT 3 GREEN. SELECTED GEAR UP, GO NOSE UNSAFE AND RUMBLING NOISE AGAIN. RETURNED TO FIELD. SERVICED NOSE STRUT. CHECKS GOOD. (M)