What was found
EMERGENCY LIGHT TEST FAILS WITH MESSAGE, EPSU AFT LEFT. REPLACED POWER SUPPLY AND BATTERY PACK REF AMM33-51-38-400-002-A. CKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHT TEST FAILS WITH MESSAGE, EPSU AFT LEFT. REPLACED POWER SUPPLY AND BATTERY PACK REF AMM33-51-38-400-002-A. CKS GOOD.