As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 27,000 FEET CABIN DOOR LATCH CAUTION. FOLLOWED QRH. AT 30,000 FT PASSENGER DOOR WARNING. INITIATED DESCENT AND RETURNED TO SLC. REPLACED DOOR BONDING STRAP AND OPS CHECKED DOOR WARNING SYSTEM IAW CRJ MM 52-70-04. OPS CHECK GOOD.