What was found
AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE CHECK ESPU BATTERY FOUND INOP. REMOVED AND REPLACED ESPU IAW 33-50-00 OPS CHK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE CHECK ESPU BATTERY FOUND INOP. REMOVED AND REPLACED ESPU IAW 33-50-00 OPS CHK GOOD.