As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3032 - IN CRUISE FLIGHT FROM DTW, THE CABIN DOOR LIGHT ILLUMINATED IN FLIGHT. THE CREW REDUCED THE CABIN DIFFERENTIAL PRESSURE TO ZERO AND THE LIGHT EXTINGUISHED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE PASSENGER DOOR HANDLE U-JOINT, P/N MS 20271B10, AND SHAFT, P/N 27-24004-017. SYSTEM OPERATED SATISFACTORILY. REFERENCE 95ZZZZ41.