What was found
ATB - PASSING THROUGH 15000 RECEIVED NUMEROUS MOMENTARY ECAM FAULTS FOLLOWED BY A CONSTANT MAIN DECK CARGO LOOP FAULT MID 1 MAIN DECK LOOP FAULT AFTER IT REMAINED STEADY. PERFORMED QRH PROCEDURE FOR MAIN DECK CARGO LOOP FAULT. R & R ALL MID 1 CARGO COMPARTMENT SMOKE DETECTORS FOR LOOPS A&B IAW 26-19-12-04. PERFORMED OPS CHECK OF MAIN COMPARTMENT DETECTION SYS IAW 26-19-00-05. R & R MAIN CARGO SMOKE DETECTION CONTROL UNIT 50WU1 IAW 26-19-34-04. ALL SMOKE DETECTOR ON/OFF CGDU2000-00. S/NS ON/OFF 21WU 3811/2729, 22WU 3677/11.