What was found
DECLARED EMERGENCY. ON ARRIVAL OUT OF 32000FT "CABIN AH" HORN - CABIN WENT TO 10,500FT. REMOVED AND REPLACED HIGH PRESSURE REGULATOR AND HIGH PRESSURE BLEED VAVLE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DECLARED EMERGENCY. ON ARRIVAL OUT OF 32000FT "CABIN AH" HORN - CABIN WENT TO 10,500FT. REMOVED AND REPLACED HIGH PRESSURE REGULATOR AND HIGH PRESSURE BLEED VAVLE PER MM.