What was found
NOSE LANDING GEAR DOORS DID NOT CLOSE UPON RETRACTING GEAR ON TAKEOFF. CYCLED NO JOY. NLG DOORS DID NOT LOSE UPON RETRACTING GEAR ON TAKEOFF. CYCLED NO JOY. PERFORMED REMOVAL OF THE NLG DOOR-UPLOCK ASSY IAW AMM 32-31-14-000-001. CHECKED MATING SURFACES & ATTACH POINTS ON ACFT SIDE. NO DEFECTS NOTED. PFR CHECKED, DOES NOT SHOW A FAULT WITH MLG DOORS, & THERE IS NO RELATED FAULT ON LGCIU 1 & 2. PERFORMED OPS TEST OF MLG DOORS (WITH FALSE TARGETS) IAW AMM 32-31-00-710-002-A. OPS CHKD NORMAL. PERFORMED INSTALLATION OF NLG DOOR UPLOCK ASSY IAW AMM 32-31-13-400-001.