What was found
LANDING GEAR DID NOT EXTEND WITH LDG GEAR HANDLE ON THE DOWN POSITION. DOORS DID OPENED. CYCLED GEAR HANDLE AND GEAR EXTENDED. GROUNDED - YES. AC AOG. VERIFIED LANDING GEAR RETRACTION INOP. RELEASED PER MEL 32-31-00 MEL LOG UPDATED AUTOHORIZED BY SEAMC WILL. MAINT PROCEDURES ACCOMPLISHED 188VU VMO-MMO SWITCH PLACED TO THE L/G DOWN POSITION AND L/G SELECTOR PANEL PLACARDED. CHECKED POST FLT REPORT FOR LG FAULTS. NO FAULTS. PERFORMED BITE OF #1 AND #2 LGCIU. NO FAULTS IN BITE TEST OR TROUBLESHOOT REF AMM 32-69-00. GEN VIS. INSP. OF L/G NO DEFECTS. MEL 32-31-00 CONTINUES MAINTENANCE PROCEDURES FOR MEL 32-31-00 REMAIN IN PLACE/C.W. SEAMC WILL NOTIFIED.