What was found
(CAN) AFTER TAKEOFF, LANDING GEAR DISAGREE MESSAGE WITH AIRFRAME VIBRATION AND GEAR INDICATION. RECYCLED GEAR, INDICATION RE-APPEARED. HEAVY LANDING CARRIED OUT. RIGHT HAND NOSE GEAR DOOR STRUT ASSY MANUAL RELEASE SEIZED. REPLACED DOOR STRUT, RIGGED NOSE GEAR DOOR PER MAINT MANUAL, OK. PART TC: 14,775.