What was found
DURING FLIGHT COMPARTMENT HFA CHECK, EMERGENCY LIGHT USING MDCU FAULTED, EPSU BATTERY 19WL. REPLACED 19WL BATTERY IAW AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT COMPARTMENT HFA CHECK, EMERGENCY LIGHT USING MDCU FAULTED, EPSU BATTERY 19WL. REPLACED 19WL BATTERY IAW AMM 33-51-38.