As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOST COMPLETE CABIN PRESSURE AT FL430. REPACKED ALL CREW AND CABIN O2 MASK IAW MM 35-21-01. PERFORMED PRESSURIZATION CHECK OF AIRCRAFT ON GROUND TO 7.3 PSID. NO ABNORMALITIES NOTED. REMOVED OLD CABIN DOOR SEAL IAW MM 52-11-09. INSTALLED NEW CABIN DOOR SEAL IAW MM 52-11-09. P/N: 1005332313-003. COMPLETED CABIN PRESSURE CHECK AND WEATHER LEAK CHECK. NO LEAKS NOTED OPS CHECKED GOOD AT THIS TIME ON GROUND. REF MM 52-11-09.