As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE, RT STRUT DUCT LEAK AND RT ENG BLEED OFF LIGHTS ILLUMINATED. CREW DID AN AIR TURN BACK TO SDF. (ATB). MAINTENANCE RETERMINATED WIRE W 376-454 R-18 AT TS 238. PERFORMED GRND IDLE RUN. OPS CHECK GOOD. NO LIGHTS, NO MESSAGES. WORK DONE IAW RSWPM 20-30-00 & ABX RUNUP CHECKLIST B767-10A. AIRCRAFT REMAINS ETOPS 180. AIRCRAFT RETURNED TO SERVICE.