What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-5) On flight from montego bay, jamaica, to newark, new jersey, N267US, a Boeing 727, lost cabin pressure. The crew declared an emergency, descended to a lower altitude and diverted to maimi, Florida. The aircraft landed safely without further incident. A piece of insulation was blocking the outflow valve in the open position.
As the FAA filed it
(-5) ON FLIGHT FROM MONTEGO BAY, JAMAICA, TO NEWARK, NEW JERSEY, N267US, A BOEING 727, LOST CABIN PRESSURE. THE CREW DECLARED AN EMERGENCY, DESCENDED TO A LOWER ALTITUDE AND DIVERTED TO MAIMI, FLORIDA. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. A PIECE OF INSULATION WAS BLOCKING THE OUTFLOW VALVE IN THE OPEN POSITION.