What was found
F/A ADVISES PAX DOOR HARD TO UNLATCH. INITIAL HANDLE MOVEMENT IS NORMAL. AFTER DOOR SEAL RELEASE, HANDLE MOVEMENT IS DIFFICULT. PERFORMED UNLOCK, OPEN & LOCK FORCE GAUGE CHECK OF MCD INTERNAL HANDLE IAW AMM TASK 52-11-00-720-802 & 52-11-00-820-801 PARA.4.C. DID NOT ADJUST STOP, ONLY CHECKED FORCE. ALL FORCES WITHIN LIMITS. PERFORMED LUBRICATION OF AIRSTAIR DOOR & OTHER EASILY ACCESSIBLE LUBE POINTS AS A PRECAUTIONARY MEASURE IAW AMM TASK 52-11-00-640-801. COULD NOT DUPLICATE. RETURNED TO SERVICE.