As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTS DURING CLIMB THAT THE R2 DOOR HAS A VERY LOUD SQUEAL. THE NOISE STARTED IN CLIMB @ 5.0PSID DIFF AND STOPPED AT 6.8 DIFF. ALL PRESSURIZATION INDICATIONS NORMAL. NO SQUEAL FROM R2 DOOR DURING DECENT. THE F/A SAID THEY COIULD HEAR NOISE DURING CLIMB FROM RO2 20 AND AFT. NO CREW COMMS PROBLEM. GROUNDED - YES. (RESOLVED ON W/O: 1961871 TASKCARD: N/R-00002 ) PRESSURIZED A/C, NO SQUEAL WAS NOTED OR HEARD. REMOVED OUTFLOW VALVE REF AMM 27-31-03. OPS CHECK GOOD. THIS CLEARS PLT, SEAMC DAVE NOTIFIED.