What was found
DURING A MAINTENANCE VISIT FOUND MATERIAL SUBSTITUTION, P/N: 5711283-514-1379 FITTING IS MADE FROM P/N: 4710626-7075-T6 FORGING. REQUEST TO FAB FROM ALUMINUM BAR. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED SHOT PEEN IAW DPS 4.999 OR DC8 SRM 51-1-4A, ALL IAW FAA APPROVED TIMCO DER ENGINEERING SKETCH NR REO-06206.