As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - AIRCRAFT N15980 WAS GIVEN A FERRY FLIGHT RELEASE PERMIT FROM DFW TO SHV BECAUSE PACK VALVE 1 CLOSED, COULD NOT RESET. CABIN ALT RAISED PASSED 8,000FT UP TO 14,000FT AT 14:00. EMERGENCY DESCENT WAS PERFORMED. ALSO, O2 MASKS DEPLOYED COMING OUT OF OKC. MAINTENANCE IN SHV PERFORMED OPERATIONAL CHECK OF PACK 1 VALVE IAW EMB145 AMM 21-31-00. OPERATIONAL CHECK GOOD. PRESSURIZATION CHECK PASSED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.