What was found
AIRCRAFT WAS GROUNDED: EXTREMELY LOUD WHINE BETWEEN L2 AND R2 DOORS. UNIDENTIFIED LOCATION, FLOOR AND VIBRATION CENTER OF AIRCRAFT. EMERGENCY DECLARED; FLIGHT RETURNED TO MIA LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202305316194: MAINTENANCE FOUND R2 DOOR SCUFF PLATE LEAKING. REMOVED, CLEANED, RE-SEALED AND RE-INSTALLED R2 DOOR SCUFF PLATE PER AMM 53-08-01. LEAK CHECK OK ON GROUND. FUNCTIONAL CHECK FLIGHT CONFIRMED FIX.** (CLOSED)