What was found
ON TAKEOFF LANDING GEAR RETRACTED. THEREAFTER ECAM DISPLAYED LANDING GEAR RETRACTION FAULT. SELECTED POSITION DET 1 AND 2 GEAR RETRACTION FAULT REMAINED ON ECAM. FLAPS WOULD NOT RETRACT, STAYED AT 15/20 ONCE LANDING GEAR DOWN ALL FLAP OPERATION RETURNED TO NORMAL. LOST ALL AUTOMATION ON GEAR RETRACTION RETURNED TO NORMAL WITH GEAR EXTENSION. JACKED ACFT AND FOUND NLG TARGETS MISALIGNED IAW A MM 32-00-00-04. UPON FURTHER INSPECTION FOUND NLG NITROGEN DEPLETED. DOWN JACKED AIRCRAFT AND SERVICED NLG STRUT IAW AMM 12-12-32-0. GEAR OPERATIONAL TEST GOOD IAW AMM 32-31-00-5.