As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR OUTER HANDLE CAUTION MESSAGE ILLUMINATED DURING CLIMB THRU 26000 FT. RAN QRH AFTER PAX DOOR WARNING. COMPLIED WITH QRH. DECLARED AN EMERGENCY, DESCENDED TO 10000 FT, WARNING WENT AWAY & PRESSURIZATION NORMAL. R & R PAX DOOR HARNESS IAW AMM 52-70-04. COMPLIED WITH OPS TEST OF PAX DOOR. OPS CHECKED GOOD.