As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE-OFF FROM CRQ, THE CABIN DOOR LIGHT ILLUMINATED. THE PILOT FOLLOWED PROCEDURES, RETURNED AND LANDED AT CRQ. MAINTENACE PROVIDER FOUND ONE OF THE DOOR LOCK INDICATOR SWITCHES REQUIRED ADJUSTMENT. ALL DOOR SWITCHES WERE INSPECTED AND ADJUSTED I.A.W. CE525B AMM 52-70-00 AND A FUNCTIONAL CHECK OF THE DOOR INDICATION SYSTEM WAS PERFORMED WITH NO DEFECTS NOTED.