As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS- DUCT LEAK INDICATION ON BOTH SIDES ON O/H PNEUMATIC CONT PANEL & L&R STRUT DUCT LEAK ON EICAS. ACCOMPLISHED WIRING CHECK IAW WDM 26-18-12 FOUND STRUT TEST SWITCH GUARD SPRING WAS HITTING SWITCH ON TEST POSITION. REPOSITIONED SWITCH GUARD SPRING & POSITIONED SWITCH TO NORMAL POSITION. OPS TEST OK IAW FIM 28-18-00.