What was found
NOISY SQUEAL REPORTED BY F/A ON R4 DOOR FROM AFTER TAKEOFF TO JUST ABOUT CRUISE ALTITUDE. INTERIM REPAIR MADE PER ECRA 2120-01431. INSTALLED AN ALUMINUM DOUBLER BETWEEN 2 RESTRICTOR PLATE REF GPM 1-0-8-0-67.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NOISY SQUEAL REPORTED BY F/A ON R4 DOOR FROM AFTER TAKEOFF TO JUST ABOUT CRUISE ALTITUDE. INTERIM REPAIR MADE PER ECRA 2120-01431. INSTALLED AN ALUMINUM DOUBLER BETWEEN 2 RESTRICTOR PLATE REF GPM 1-0-8-0-67.