What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: after aircraft departed Portland International Airport, crew noticed loud noise from forward entrance. The flow light illuminated with the cabin climbing at 1000' per minute. Crew leveled aircraft at FL 25.0. Cabin continued to climb until cabin altitude warning illuminated. During descent, noise from front door lessened and cabin altitude stabilized. Flow light was only light illuminated on pressurization control panel. Pressurization valve appeared to be fully closed. After landing, maintenance found forward airstair door seal damaged. Aircraft released for ferry flight from Portland direct to seattle for permanent repair. This report is closed.
As the FAA filed it
NARRATIVE: AFTER AIRCRAFT DEPARTED PORTLAND INTERNATIONAL AIRPORT, CREW NOTICED LOUD NOISE FROM FORWARD ENTRANCE. THE FLOW LIGHT ILLUMINATED WITH THE CABIN CLIMBING AT 1000' PER MINUTE. CREW LEVELED AIRCRAFT AT FL 25.0. CABIN CONTINUED TO CLIMB UNTIL CABIN ALTITUDE WARNING ILLUMINATED. DURING DESCENT, NOISE FROM FRONT DOOR LESSENED AND CABIN ALTITUDE STABILIZED. FLOW LIGHT WAS ONLY LIGHT ILLUMINATED ON PRESSURIZATION CONTROL PANEL. PRESSURIZATION VALVE APPEARED TO BE FULLY CLOSED. AFTER LANDING, MAINTENANCE FOUND FORWARD AIRSTAIR DOOR SEAL DAMAGED. AIRCRAFT RELEASED FOR FERRY FLIGHT FROM PORTLAND DIRECT TO SEATTLE FOR PERMANENT REPAIR. THIS REPORT IS CLOSED.