What was found
UPON GEAR EXTENSION, *GEAR DISAGREE* DISPLAYED, NO NOSE GREEN LIGHT, CYCLED GEAR TWICE, NO HELP, USED ALT GEAR EXTEND, GEAR INDICATION NORMAL. GEAR DOORS LIGHT AFTER ALT EXTENSION. R&R NLG LOCK ACT ASSY PER MM, CKS OK. BORROWED PART FROM AA, PN 273N1005-1, SN 00422. AA SHIPPING CONTAINER IN LOB BOX IN AFT PIT. SERVICEABLE PAPER-WORK IN MRD POUCH. RET & EXT TEST CKS OK.