What was found
LT WING REAR SPAR WEB CORRODED AROUND FASTENERS BETWEEN IRSS 340 AND IRSS 350 WHERE A FUEL BOOST PUMP IS INSTALLED. REPAIRED IAW 777EN-57-0156.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT WING REAR SPAR WEB CORRODED AROUND FASTENERS BETWEEN IRSS 340 AND IRSS 350 WHERE A FUEL BOOST PUMP IS INSTALLED. REPAIRED IAW 777EN-57-0156.