What was found
AFTER PARKING WITH APU RUNNING, TRIED OPENING DOOR. DOOR HANDLE WOULD NOT PULL UP TO OPEN. SHUT APU OFF & POWERED DOWN ACFT, STILL WOULD NOT OPEN. GROUND PERSON OPENED DOOR OUTSIDE. TRIED DOOR AGAIN, SAME RESULTS. DUPLICATED DISCREPANCY, REF WIRING DIAGRAM & CHECKED WIRING FOR CONTINUITY FROM THRESHOLD TO SWITCH ON INNER HANDLE FOUND WIRING CHECKED GOOD, SWITCH & GROUND CHECKED GOOD REMOVED PCB NZ105 & METERED SYS FROM PCB CONNECTOR TO GROUND, CHECKED GOOD. R & R DOOR MONITOR PCB, OPS CHECKED FAILED. INSTALLED ORIG PCB. R & R THRESHOLD WIRING HARNESS ASSY, OPS CHECKED GOOD IAW MM 52-10-00 & WDM 52-10-01.