What was found
FT # 714, DFW-BOS. EMERGENCY DECLARED. THE FLIGHT CREW REPORTED THAT AT FL 370 THEY HAD A F/CTL ALT LAW, F/CTL STAB TRIM, AND F/CTL ELAC 1 PITCH FAULT ECAM MESSAGE. THEY COMPLIED WITH F/CTL STABILIZER JAM QRH PROCEDURE 7-44. THE CREW REPORTED THAT MANUAL PITCH TRIM WAS AVAILABLE. AN EMERGENCY WAS DECLARED. LANDING AT BOS WAS UNEVENTFUL. AT FLIGHT 370 F/CTR ALT LAW F C STAB JAM R/CTR ELAC 1 PITCH FAULT .ECAM FLIGHT CTRS RESPONDED NORMAL IN MANUAL FLIGHT NORMAL LANDING. F/CTRL ELAC 2 PITCH FAULT ECAM AT 370 SMOOTH AIR TAT-28; PER TSM 27-40-00-810-804-A AND POST FLIGHT REPORT REPLACED PITCH TRIM ACTUATOR PER MM 27-44-57. CHK SYSTEM PER 27-41-00-730-001-A CHK OK.