As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT PASSING 6800 FT GOT LEFT FWD COMP DOOR UNLOCK LIGHT (AMBER INDICATION). RETURNED TO LAS. ON APPROACH AT 4000 FEET LIGHT TURNED GREEN (DE-PRESSURIZED AT THIS POINT). LWR FD DOOR CLOSED & LOCKED INDICATION ON ECAM DOOR PAGE - INOP. LWR FD DOOR VISUALLY CHECKED CLOSED & LOCKED. INSPECTED AT 0331 Z.