As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2534, PBI-DCA. 'ELPU 2 BATTERY CAPACITY TEST FAILED; REMOVED AND REPLACED ELPU 2 IN REF TO AMM 33-50-01. THE OPS CHECK IS GOOD. OK FOR FURTHER SERVICE. PARTS TRANSACTION COMPLETED UNDER W/O # 1257900 TASK CARD. E190-33-50-01-720-801-FWD.'