As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: PROGRAMMING AND TEST PANEL (PTP FIN 110RH) SHOWS MID RIGHT EMERGENCY POWER SUPPLY UNIT FAULTED/ DEGRADED. ** ORIGINAL REPORT WAS AALA202204064222** REPLACED EMERGENCY POWER SUPPLY UNIT 14WL AND BATTERY (AALA202204072916) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.