What was found
INSPECTION TYPE:C2, AFT PIT FS 1040 CORROSION ON LOWER SURFACE OF UPPER FRAME FLANGE AT L36. REMOVED CORROSION, FOUND OUT OF LIMITS REPAIR FRAME IAW UPS EO DC8-53-11728B & REO G07412. ALODINED AND PRIMED IAW DC8 51-1-8. REINSTALLED FRAME CAP, 2 INTERCOSTALS AND FRAME ANGLE IAW DC8 SRM 51-3-0.