What was found
DURING MOD/D-CHECK, FOUND STIFFENER CORRODED AT AFT SIDES OF STA 1197 AND LONGERON 13R. REPLACED STIFFENER IAW DC9 SRM 51-30-5 AND DACO DWG 9911839.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MOD/D-CHECK, FOUND STIFFENER CORRODED AT AFT SIDES OF STA 1197 AND LONGERON 13R. REPLACED STIFFENER IAW DC9 SRM 51-30-5 AND DACO DWG 9911839.