What was found
DURING CLIMB, THE AIRCRAFT RETURN TO DEPARTURE DUE TO A WARNING MESSAGE FOR THE LANDING GEAR DOORS NOT CLOSED, IAW TSM 32-31-00-810-862A PERFORMED DVI OF NLG IAW AMM 32-21-00-200-005, CHECKED OK, PERFORMED INSPECTION OF THE NLG PROXIMITY SENSOR AND TARGET CLEARANCES IAW AMM 32-31-73-200-002, CHECKED OK, PERFORMED VISUAL CHECK OF THE NLG DOWNLOCK SPRINGS AND ATTACHMENTSAS IAW AMM 32-30-00-200-002, CHECKED OK. PERFORMED INSPECTION & CHECK OF THE CLEARANCE OF THE NLG HINGE BEARING IAW AMM 32-21-00-200-004, CHECKED OK, PERFORMED DETAILED INSPECTION OF THE NLG GEAR UPLOCK AND DOOR UPLOCK UNITS AND ROLLERS IAW AMM 32-31-00-200-001. PERFORMED FUNCTIONAL TEST OF THE NORMAL EXTENSION AND RETRACTION OF THE NOSE LANDING GEAR IAW AMM 32-31-00-720-003, TESTED OK IAW TSM 05-50-00-810-802-A, AND AMM 05-51-11-200-004. PEFORMED CHECK OF PARAMETRES REPORTED BY PILOT GW 77400. NO EXCEDENCE. THE AIRCRAFT RETURN TO NORMAL OPERATION.