What was found
DURING MAINTENANCE BASE VISIT FOUND THE EXTERIOR FUSELAGE SKIN CORRODED IN 2 SPOTS BETWEEN FRAME 14 AND 15 AND BETWEEN STRINGER 20 RIGHT AND 21 RIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED SKIN ON SKIN SEAMS BETWEEN FRAME 13-14 AND BETWEEN STRINGER 18 LEFT 19 LEFT AND STRINGER 18 RIGHT 19 RIGHT. FABRICATED AND INSTALLED SKIN, EXTERNAL DOUBLER, INTERNAL DOUBLER AND FILLERS IAW EO EM-53MR-1868. THE AIRCRAFT WAS RETURNED TO SERVICE.