As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: N/A CLIMBING THROUGH 17000 THE DIFF PRESSURE LIGHT CAME ON AT FL 3000 DOOR UNLOCKED CAME ON DESCENDING THROUGH 12400 WARNING WENT OUT AND DOOR SHOWED CLOSEDADJUSTED L1 DOOR LATCH HANDLE, PER MM 52-10-11 CABIN PRESSURE CONTROLLER BITE, PER MM 21-31-00.