As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN DOOR WARINING LIGHT CAME ON IN FLIGHT. FOUND CABIN DOOR UPPER AFT LATCH BINDING. ADJUSTED UPPER AFT LATCH AS NEEDED TO FREE UP PIN TO CONTACT DOOR LATCH SWITCH. OPS CHECKED GOOD. ALL WORK COMPLETED I/A/W CESSNA 560XL MM 52-10-00.