As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR IS DIFFICULT TO UNLATCH. REMOVED FWD GALLEY INSERT AND PERFORMED GVI MCD INTERNAL LATCHING MECHANISM. PERFORMED GVI OF MCD ITSELF, DOOR LOCK BLOCKS AND HANDLE ASSEMBLIES. FOUND COUNTERBALANCE CHAIN AND SPROCKET LUBRICATION LACKING. RELUBED CHAIN ASSY IAW MM 52-11-00-640-801. REINSTALLED FWD GALLEY INSERT AND COMPLIED WITH FUNCTIONAL CHECK OF AIRSTAIR DOOR IAW MM 52-11-00-720-802. FUNCTIONAL CHECK GOOD. RETURNED TO SERVICE, NO PARTS REPLACED.