What was found
L4 DOOR CABIN DIFFERENTIAL PRESSURE LIGHT FLASHING AND DOOR SHOWS UNARMED IN FLIGHT. CLEANED EXCESSIVE DEBRIS FROM AFT 4L DOOR FLOOR FITTINGS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
L4 DOOR CABIN DIFFERENTIAL PRESSURE LIGHT FLASHING AND DOOR SHOWS UNARMED IN FLIGHT. CLEANED EXCESSIVE DEBRIS FROM AFT 4L DOOR FLOOR FITTINGS.