What was found
DURING CABIN EMERGENCY LIGHTNING TEST BOTH POWER SUPPLY BATTERY PACKS 11WL AND 12WL FAULTED. R & R BATTERIES AT 11WL AND 12WL TEST OK, OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CABIN EMERGENCY LIGHTNING TEST BOTH POWER SUPPLY BATTERY PACKS 11WL AND 12WL FAULTED. R & R BATTERIES AT 11WL AND 12WL TEST OK, OK FOR SERVICE.