What was found
ETOPS SIGNIFICANT SYS - STBY PWR TEST FAIL. MSG APPEARS AS "MAIN BATTERY CHARGER & STANBY INVERTER" REPLACED MAIN BATTERY & CHARGER NO HELP, REPLACED STBY INVERTER, ALL OK IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ETOPS SIGNIFICANT SYS - STBY PWR TEST FAIL. MSG APPEARS AS "MAIN BATTERY CHARGER & STANBY INVERTER" REPLACED MAIN BATTERY & CHARGER NO HELP, REPLACED STBY INVERTER, ALL OK IAW AMM.