What was found
(CAN) SEALS FROM MFG DO NOT NECESSARILY COME WITH VENT HOLES, THEY HAVE TO BE MODIFIIED IAW DWG. IF YOU FORGET TO MODIFY THE SEAL YOU CAN HAVE PRESSURIZATION ISSUES AND DIFFERENT NOISES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) SEALS FROM MFG DO NOT NECESSARILY COME WITH VENT HOLES, THEY HAVE TO BE MODIFIIED IAW DWG. IF YOU FORGET TO MODIFY THE SEAL YOU CAN HAVE PRESSURIZATION ISSUES AND DIFFERENT NOISES.