As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DOOR: WITH BATTERY ON AFTER ENGINE SHUTDOWN WE WERE UNABLE TO OPEN MAIN CABIN DOOR FOR APPROX 15-20 SECOND. REMOVED AND INSTALLED NEW VALVE ASSEMBLY CABIN DOOR SEAL DEFLATION. SUPPLIED BY NETJETS AVIATION, PN-6211329-2 PER 52-10-04