What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION INTERNAL SKIN LOCATED BTW FR 59 TO FR 60 AND BTW STRG 41L TO STRG 42L IN AFT CARGO COMPARTMENT.MEASURE CORROSION ARE L=3.432 INCH W=2.122 INCH D=0.002 INCH. MAINTENANCE ACCOMPLISHED TIME LIMITED REPAIR ON REAR FUSELAGE INNER SKIN PANEL BTW FR 59-60 AT STRG 41L TO STRG 44. FOR REPAIR PROCEDURES ACCOMPLISHED SEE EA 369068 ,NCN 5310119 AND FOR THIS CORRODED SKIN THE R1 LOCATED FR 59-60 AT LEVEL STRG 41 L TO STRG 42 L.