What was found
AIRCRAFT WAS GROUNDED: DOOR 4L DOOR ASSIST LOW PRESSURE. REMOVED AND REPLACED SEALS AND DIAPHRAGM FOR THE PERCUSSION MECHANISM ON THE EMERGENCY OPERATION CYLINDER OF 4L DOOR PER AMM 52-10-00-610-001-A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: DOOR 4L DOOR ASSIST LOW PRESSURE. REMOVED AND REPLACED SEALS AND DIAPHRAGM FOR THE PERCUSSION MECHANISM ON THE EMERGENCY OPERATION CYLINDER OF 4L DOOR PER AMM 52-10-00-610-001-A.