As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPRESSURIZATION MASTER WARNING OUT OF FL370. CABIN ALT IND. 10 K FT. PERFORMED BITE ON CPC NR 1, FOUND MANUAL SWITCH CODE 058. PLACED CABIN PRESSURIZATION SWITCH TO AUTO AND PERFORMED BITE ON CPC NR 1. SYSTEM OK IAW FIM TASK 21-31, TASK 801.