What was found
DURING HEAVY MAINTENANCE FOUND AFT CARGO DOOR FWD FINGER DOUBLER HAS CORROSION AT FRAME 77. REMOVED CORROSION IAW SRM 51-12-01. REMOVED AND REPLACED THE FINGER DOUBLER IAW SRM 51-43-01, 51-23-02, SRM 51-40-02, SRM 51-43-03 AND SRM 51-40-04.