What was found
RED WARNING-TRIPLE CHIME NOSE DOOR-GEAR DISAGREE AFTER GEAR SELECTED UP, AFTER TAKE OFF. RETURNED TO DEPARTURE, LANDING UNEVENTFUL. ACFT RETURNED TO DEPARTURE AFTER T/O. EMERGENCY DECLARED AS A PRECAUTION. R & R NLG UPLOCK IAW AMM 32-33-05, IPC 32-33-05, ITEM NR 5. LEAK AND OPS CHECKS GOOD. NO FURTHER DEFECTS FOUND AT THIS TIME.