What was found
DURING CHECK-C MAINT, FOUND IN THE CABIN, STRINGER 15R ANGLE WAS CORRODED ON AFT SIDE AT STA 1005. FABRICATED NEW PART PER SPM 6-70-01, PAGE 2 AND 3, PARAGRAPH 4. REINSTALLED PART MADE FROM TWA PN 56-2254 WITH HI-LOCK FASTENERS PER SRM 51-30-02.