What was found
DTE REQUIRED. ERA 636893-14 ISSUED FOR CORROSION DAMAGE TO THE RHS AFT FUSELAGE SKIN AT FR70 BETWEEN S-31R AND S-32R. C/A: STAGE III DTE REQUIRED. ACCOMPLISH SECTION II INSPECTION WITHIN 20,000FC OR 40,000FH WHICHEVER OCCURS FIRST FOLLOWING SECTION I COMPLETION. INPSECTION INTERVAL AND METHOD ARE TBD PENDING STAGE III DTE. ASSOCIATED ER/A 00-636893 ADDED FOR AC 3244. (LP: 1818231, AIRCRAFT WAS GROUNDED)