What was found
DURING TAIL CONE RELEASE CHECK NOTED CRACK ON REPAIR DOUBLER AT CANTED FRAME 1485, RT LONGERON 3 - 4. REMOVED CRACKED REPAIR AT CANTED FRAME 1485, RT LONGERON 3 - 4 & INSTALLED NEW DOUBLER IAW SRM 53-01 FIG 2 SHEET 3 PG12, 53-14-4 FIG 3 & 51-10-4.