What was found
IAW 2 CHECK EMERGENCY EXIT LIGHTING TEST FAILED WITH EXTERNAL LIGHTS FAULT ON FWD LT BATTERY PACK 1L. WHEN POWERED UP AT HANGAR EPSU HAD BATTERY FAULT. REPLACED BATTERY PACK IAW AMM33-51-38, ACP SHUNT TEST, SYSTEM CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IAW 2 CHECK EMERGENCY EXIT LIGHTING TEST FAILED WITH EXTERNAL LIGHTS FAULT ON FWD LT BATTERY PACK 1L. WHEN POWERED UP AT HANGAR EPSU HAD BATTERY FAULT. REPLACED BATTERY PACK IAW AMM33-51-38, ACP SHUNT TEST, SYSTEM CHECKED OK.