What was found
AMBER PAX DOOR OUT HNDL EICAS MESSAGE DISPLAYED AS WE CLIMBED THROUGH 6000'. IMMEDIATELY PRIOR, HEARD SOMETHING MECHANICAL HAPPEN WITH THE DOOR. RAN THE QRH AND VERIFIED ALL GREEN MARKINGS WERE ALIGNED AND THE GREEN FLAG WAS PRESENT IN THE WINDOW BY THE T-HANDLE. AFTER PULLING THE T-HANDLE AGAIN AND THEN STOWING IT, THE EICAS MESSAGE WAS GONE. CLEANED ESSIVE GREASE FROM THE HANDLE LATCHING MECHANISM. CHECKED RIGGING OF OUTER HANDLE MICROSWITCH- WITHIN SPEC WORK DONE IAW AMM 52-11-00.