What was found
AIRCRAFT WAS NOT GROUNDED: EPSU BAT FAIL EPSU SYS TEST AT 12WL. REPLACED EPSU BAT AT 12WL IAW AMM 33-51-38, EPSU SYS TEST OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: EPSU BAT FAIL EPSU SYS TEST AT 12WL. REPLACED EPSU BAT AT 12WL IAW AMM 33-51-38, EPSU SYS TEST OK.