As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALTITUDE WARNING HORN SOUNDED WHILE CLIMBING THROUGH FL 360. DONNED OX MASK, REQUESTED DESCENT AND WHILE PERFORMING CHECK LIST THE CABIN BEGAN TO DESCEND AND PRESSURIZATION WAS RESTORED. VISUALLY INSPECTED AFT PRESSURE BULKHEAD SEAL, NO DEFECTS NOTED. PERFORMED PRESS CONTROL SYS OPERATIONAL TEST IAW MM 21-31-00, PGS 201-205. OPS CHECK STATIS OK FOR SERVICE. (K)