What was found
ETOPS SIGNIFICANT SYS -LT MAIN TANK NR 9 TANK UNIT LO-Z TO SHIELD READING LOW. REPLACED LT MAIN TANK NR 9 TANK UNIT IAW AMM28-41-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ETOPS SIGNIFICANT SYS -LT MAIN TANK NR 9 TANK UNIT LO-Z TO SHIELD READING LOW. REPLACED LT MAIN TANK NR 9 TANK UNIT IAW AMM28-41-01.