What was found
DOOR SEAL LIGHT CAME ON AT FLT LEVEL 410. DOOR SEAL SQUEALED THEN LOST PSI ON DECENT. DECLARED AN EMERGENCY AND LANDED AT KPHL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DOOR SEAL LIGHT CAME ON AT FLT LEVEL 410. DOOR SEAL SQUEALED THEN LOST PSI ON DECENT. DECLARED AN EMERGENCY AND LANDED AT KPHL.