What was found
DURING CLIMB, THE AIRSTAIR DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. RIGGED INTERLOCK MECHANISM. OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB, THE AIRSTAIR DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. RIGGED INTERLOCK MECHANISM. OPERATIONAL CHECK OK.