What was found
D:GEAR DISAGREE WARNING WHEN DEPLOYING GEAR DN FOR LANDING. THE WARNING WAS BRIEF, ONLY A SECOND OR TWO, ACCOMPANIED BY A NOSE DOOR OPEN WARNING. ALL 3 GEAR INDICATED DOWN AND LOCKED, THEN BOTH WARNING MESSAGES CLEARED. COMPLETED QRH WHERE APPLICABLE WITH NO CHANGE TO THE 3 GREEN DOWN AND LOCKED INDICATION. / C:MEL 32-30-1 / CAT "A" DUE 03/03/2021 / MX ACTION COMPLIED WITH / GEAR DISAGREE WARNING WHEN DEPLOYING GEAR DN FOR LANDING. THE WARNING WAS BRIEF, ONLY A SECOND OR TWO, ACCOMPANIED BY A NOSE DOOR OPEN WARNING. ALL 3 GEAR INDICATED DOWN AND LOCKED, THEN BOTH WARNING MESSAGES CLEARED. COMPLETED QRH WHERE APPLICABLE WITH NO CHANGE TO THE 3 GREEN DOWN AND LOCKED INDICATION. FLIGHT 5798 - FILED CLOSED MAR 02, 2021 STATION: DEN--DEF MLG RETRACT SYSTEM PER MEL 32-30-1 DOWNGRADED FROM CAT II, MX ACTION C/W PLACARD INST AUTHORIZED BY MC