As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT STRUT DUCT LEAK EICAS MESSAGE AT LEVEL OFF. REPLACED THE TS 232 WING - STRUT DUCT LEAK DETECTION SYS, TESTED IAW AMM 26-18-00. PERFORMED A HIGH POWER ENGINE RUN IAW AMM 71-00-00. NO DUCT LEAK MESSAGE OR LIGHT. NO LEAK FOUND IN THE STRUT.