What was found
DURING SERVICE CHECK - EMERGENCY LIGHT TEST FAULTED FOR RT OVERWING EPSU BATTERY. REPLACED RT OVERWING EPSU BATTERY IAW AMM 33-51. RETESTED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SERVICE CHECK - EMERGENCY LIGHT TEST FAULTED FOR RT OVERWING EPSU BATTERY. REPLACED RT OVERWING EPSU BATTERY IAW AMM 33-51. RETESTED NORMAL.