What was found
(CAN) FLIGHT WAS IN CLIMB THRU A120 WHEN THE CREW HEARD A LOUD POP FROM THE L1 DOOR AND WERE UNABLE TO PRESSURIZE AFTER. CREW ELECTED TO DIVERT BACK TO STATION. REPLACED L1 DOOR DEFLECTOR AS PER AMM 52-11-28 PB401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) FLIGHT WAS IN CLIMB THRU A120 WHEN THE CREW HEARD A LOUD POP FROM THE L1 DOOR AND WERE UNABLE TO PRESSURIZE AFTER. CREW ELECTED TO DIVERT BACK TO STATION. REPLACED L1 DOOR DEFLECTOR AS PER AMM 52-11-28 PB401.