What was found
AIRCRAFT WAS NOT GROUNDED. EPSU BATTERY AT 3L (15WL) FAILED TEST. REPLACED BATTERY AT 15WL POWER SUPPLY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED. EPSU BATTERY AT 3L (15WL) FAILED TEST. REPLACED BATTERY AT 15WL POWER SUPPLY.