What was found
FLT 1600, BOS-DCA. EMER LT BATT FAULT ON # 6 POWER UP AFTER EMER BATT TEST; ADJUSTED AND OPERATED ELPU OPS CHECK GOOD IAW AMM 33-58-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 1600, BOS-DCA. EMER LT BATT FAULT ON # 6 POWER UP AFTER EMER BATT TEST; ADJUSTED AND OPERATED ELPU OPS CHECK GOOD IAW AMM 33-58-00.