As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 446 - ON TAKEOFF, CREW RECEIVED AN ALERT MESSAGE OF A NR 1 HYDRAULIC SYSTEM FAILURES. CAPTAIN DECLARED AN EMERGENCY AND LANDED IN CLT. MAINTENANCE FOUND THE NR 1 ENGINE, NR 1 HYDRAULIC PRESSURE SWITCH CONTACTS FAULTY AND RPLACED THE SWITCH. OPERATIONS CHECKED GOOD. (W)