What was found
GEAR DISAGREE MASTER WARNING WITH NOSE DOOR MASTER WARNING ON TAKEOFF. QRH COMPLETED, NOSE GEAR DOWN & GREEN MAINS UP NO OVERWEIGHT LANDING. FOUND TOW GUARD TOW BAR LESS COLLAR MIGRATED. REMOVED & REINSTALLED TOW BAR LESS COLLAR IAW WITH PA 32-066C. SEE NON-ROUTINE CARD N78199 FOR FURTHER DETAILS. FOUND & REPLACED OLEO STRUT EXTENDED & CENTERED SENSOR BRACKET BENT PN APM16215-105 EXP.