As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
455 ORD-AZO EXPERIENCED A GEAR DISAGREE WHILE DEPARTING ORD. THE CREW RAN THE QRH AND ELECTED TO RETURN TO ORD. AN EMERGENCY WAS DECLARED. AIRCRAFT REMOVED FROM SERVICE. PERFORMED OPS CHECK OF NOSE DOOR IAW AMM 32-22-01 OPS CHECK GOOD. RETRIEVED PSUE CODES FOUND C/W M ACTION FOR MEL 32-30-01 REF BLK 2 FOR MEL.