As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) L-58 NO DOT. THE RT EPSU (12WL) FAILS IT'S BATTERY WHEN TESTED FROM THE PTP. NONROUTINE 9619154 REMOVED AND REPLACED RT EPSU BATTERY IAW AMM 33-51-38-000- 002-A AND 33-51-38-400-002A. PERFORMED TEST OF EPSU BATTERY IAW AMM 33-51-38-000-002-A SUBTASK 33-51-38-710-052-B. NO FAULT S NOTED.