What was found
RECEIVED GEAR DISAGREE WARNING MESSAGE. BOTH MAINS RETRACTED BUT NOT THE NOSE GEAR. COMPLETED QRH PROCEDURE. LANDED BACK IN DEN WITHOUT ANY PROBLEMS. (FLIGHT 5111 - FILED CLOSED) PLEASE REFERENCE AML 911332 REMOVED AND REPLACED NLG SELECTOR VALVE PER AMM 32-33-10. PLEASE REFERENCE AML 911429 PLEASE REFERENCE AML 911430 PLEASE REFERENCE AML 911431 FOR OPS AND LEAK CHECKS A/C OK FOR SERVICE