What was found
DURING MOD/D-CHECK, FOUND THE FUSELAGE EXTERIOR SKIN CORRODED THROUGH BETWEEN CANTED STA 1197 TO 1231 AND LONGERON 18L TO THE VENTRAL STAIR DOOR JAMB. REPLACED SKIN IAW DC9 SRM 51-30-2 AND 51-10-3.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MOD/D-CHECK, FOUND THE FUSELAGE EXTERIOR SKIN CORRODED THROUGH BETWEEN CANTED STA 1197 TO 1231 AND LONGERON 18L TO THE VENTRAL STAIR DOOR JAMB. REPLACED SKIN IAW DC9 SRM 51-30-2 AND 51-10-3.