As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF HAD A GEAR DISAGREE AND FOLLOWED QRH. MANUAL EXTENSION PULLED AND COULD NOT STOW BACK. ACFT RETURNED TO DEPARTURE, EMERGENCY DECLARED. R & R CENTERED/EXTENDED PROX SENSOR BRACKET AND RE-RIGGED PROX SWITCH IAW AMM 32-61-05. OPS CK GOOD, DEFER CLEARED PLACARD REMOVED ACFT OK FOR SERIVCE. PERFORMED INSPECTION OF BRACKET INSTALLED AND OPS CHECKED. GEAR SWING, NO DEFECTS NOTED.