What was found
EXTERNAL FUSELAGE BS 520 AT STR 8R HAS A LIGHTNING BURN. BLENDED OUT AREA OF LIGHTNING STRIKE IAW B727 SRM 53-30-3, FIG 20. MATERIAL LOSS OVER 30 PERCENT AND LIGHTNING STRIKE STILL PRESENT AND OUT OF LIMITS IAW B727 SRM 53-30-1. CUT OUT DAMAGED AREA DIM. 4 BY 2 IAW B727 SRM 53-30-3, FIG.3. HFEC COMPLIED WITH IN CUT OUT AREA, NO CRACKS NOTED IAW B727 NDTM PT.6 51-00-00, FIG.23. FABRICATED DOUBLER REPAIR FROM .050, 2024T3, DIM 11.75 BY 2.25” AND FILLER FROM .040, 2024T3, DIM 4 BY 1.75 IAW B727 SRM 53-30-2, FIG.2 AND 53-30-3, FIG.3. TREATED, PRIMED AND INSTALLED REPAIR IAW B727 SRM 51-10-2, 51-30-2 AND 53-30-3, FIG 3.