As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH DOOR 1L CLOSED & LEVER IN LOCKED POSITION, THE DOOR ARM & DISARM LEVER WILL NOT MOVE TO THE ARMED POSITION. WHILE PERFORMING L1 DOOR SLIDE INSPECTION IAW AMM 25-66-01-6, NOTED UNSATISFACTORY OPERATION OF ARMING MECHANISM. SUSPECT FAULT IS WITH GIRT BAR. FOR CLOSING ACTION REFER TO WRI 25-60-3971. INSTALLED L1 DOOR MOUNTED ESCAPE SLIDE PACK IAW AMM 25-66-01-4.