What was found
FL 390 LEFT MAIN CABIN DOOR ALARM AND LIGHT FLASHING, ADV BY JUMPSEAT, RT INDICATOR BETWEEN LOCK AND UNLOCK. DOOR ALARM OFF IN DESCENT BELOW FL 200/PRESSURE DIF.6.7 CABIN AT 3300' NO ECAM INDICATIONS FOR THE LEFT CABIN UNLOCKED. FOUND COVER PANEL OF DOOR (INTERIOR) MISALIGNED CAUSING HANDLE NOT TO ENGAGE PROPERLY, REALIGNED AND SECURED DOOR PANELS PER SMP 20-00, DOOR OPS CKS NORMAL AT THIS TIME.