What was found
TNN - DURING 1/4 D-CHECK INSPECTION ON A/C AT AIR ASIA, SEVERE CORROSION WAS FOUND ON UPPER RUDDER TAB L/E NOSE SKIN AT RUDDER STATION 175 AND 196. THE CORRODED NOSE SKINS, P/N 65-62445-6 AND 65-65445-7 WERE REMOVED AND REPLACED PER B727 SRM 55-40-1 IN CONJUNCTION WITH BOEING PARTS LIST NR PL65-62445. REF, HANGAR NON ROUTINE REPAIR ITEM CARD NR 809755 (SEQ NR 03005). (M)