What was found
DOOR 4L IS HARD TO DISARM. CLEANED FLOOR SILL. CLEANED AND LUBED GIRT BAR FITTINGS AND SLIDERS. CHECKED SLIDER CLEARANCE - OK. OP CHECKED ARM-DISARM MECHANISM SEVERAL CYCLES - OPERATION EFFORT WITHIN NORMAL RANGE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DOOR 4L IS HARD TO DISARM. CLEANED FLOOR SILL. CLEANED AND LUBED GIRT BAR FITTINGS AND SLIDERS. CHECKED SLIDER CLEARANCE - OK. OP CHECKED ARM-DISARM MECHANISM SEVERAL CYCLES - OPERATION EFFORT WITHIN NORMAL RANGE.