As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST PRESSURIZATION OF SYS 1 & 15 SECONDS LATER SYS 2 FAULTED DURING CRUISE AT FL 340. CREW WAS ABLE TO CONTROL PRESS MANUALLY. FLIGHT DIVERTED & LANDED WITHOUT INCIDENT. TROUBLESHOOTING ACCOMPLISHED IAW TSM 21-31-00-810-802-A & AMM 21-31-00-710-002-A WITH NO FINDINGS. GOOD OPERATIONAL CHECKS.