What was found
CORROSION AFT PIT INTERCOSTAL BS 1540 - BS 1560 LT. FABRICATED AND INSTALLED INTERCOSTAL 19.50 X 3.75 INCHES FROM 7075-T6 .032" IAW BOEING DWG 146N5461-15 AND 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION AFT PIT INTERCOSTAL BS 1540 - BS 1560 LT. FABRICATED AND INSTALLED INTERCOSTAL 19.50 X 3.75 INCHES FROM 7075-T6 .032" IAW BOEING DWG 146N5461-15 AND 51-40-02.