As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMA - INFLIGHT ABQ-DFW. AIRCRAFT LOST PRESSURIZATION, MASKS DID NOT DROP. EMERGENCY DECLARED, LANDED MIA WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND AIR CONDITIONING PILOT PRESSURE REGULATOR SENSE LINE LOOSE AT RIGHT A/C PACK. RE-SECURED SENSE LINE. SYSTEM GROUND CHECK NORMAL OPERATION.