As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORT BOTH RT SIDE EMER OVERWING EXITS ARE NOTICABLY LOUDER THAN L SIDE. ENGINE NOISE LOUD COMPLETED A VISUAL INSPECTION OF EMERGENCY EXIT REF AMM 52-22-00/001 CONFIG 00. NO DISCREPANCIES NOTED. CREW RAN BOTH ENGINES AND TECH LISTENED FOR ANY ENGINE NOISE THAT MIGHT BE UNUSUAL. NO DISCREPANCIES NOTED AT THIS TIME. POSSIBLE NOISE COMING FROM PACS, OR HYDRAULIC PUMP UNDER NORMAL OPERATION.