What was found
MAJOR COROSION ON FUSELAGE AND AROUND BLOWER MOTOR EXHAUST. (REF ALASKA CARD NUMBER N/R-00029, HAECO N/R# 9929). GROUNDED - YES. REMOVED REPAIR I.A.W B737-800 SRM 51-40-02, CORROSION FOUND TO BE ON REPAIR PARTS ONLY REPAIR PARTS OUT OF LIMITS WITH MATERIAL LOSS OF 100% I.A.W B737-800 SRM 53-00-0, NO CORROSION NOTED ON FUSELAGE SKIN IN REPAIR AREA, FUSELAGE SKIN IN REPAIR AREA, FABRICATED AND INSTALLED NEW REPAIR PARTS (DOUBLER, TRIPLER, FILLER) I.A.W B737-800 SRM 53-0-01-2R-3, TOP COATED THE EXTERNAL SURFACE OF THE REPAIR I.A.W B737-800 AMM 51-21-00/701. CATEGORY B REPAIR WITH INSPECTON THRESHOLD 50.000 FLIGHT CYCLES WITH INTERNAL 5.000 FLIGHT CYCLES, CAT B REPAIR SUBMITTED TO ENGINEERING FOR TRACKING, THIS CLOSES THE DEFECT.