As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RECEIVED LT 14TH STAGE DUCT MASTER WARNING ON CLIMB OUT WHILE GOING THROUGH 2000 FEET. PILOT STATED THE MESSAGE CAME ON SEVERAL TIMES. ALSO RECEIVED AN AUTO PILOT TRIM CAUTION & A HYD PUMP 1A CAUTION. AN EMERGENCY WAS DECLARED. REPLACED LT PYLON SENSING ELEMENT A59WK IAW AMM 36-21-04. ALL CHECKED GOOD. ACFT OK FOR SERVICE.