What was found
AFT LEFT BATTERY PACK FAILS EMERGENCY LIGHT TEST, PACK IT'S SELF WON'T TEST. REPLACED POWER SUPPLY AND BATTERY PACK, TEST OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT LEFT BATTERY PACK FAILS EMERGENCY LIGHT TEST, PACK IT'S SELF WON'T TEST. REPLACED POWER SUPPLY AND BATTERY PACK, TEST OK.