What was found
AFTER TAKE OFF LANDING GEAR DID NOT GO UP AFTER WE MOVED LG LEVER UP, GOT NUMMEROUS ECAM WARNINGS, RECYCLED THE LANDING GEAR AND IT WENT UP. AT 10,000 RECYCLED AGAIN TO CHECK SAMETHING -REF TSM 32-31-00-810-842 R/R PROXIMITY-SENSOR (25GA). IAW AMM 32-31-73. BITE TEST OK NO FAULTS NOTED. THIS IS AN SDR ITEM. REF LG PG# 2848666-2 FOR L/G NOSE SWING.