As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TEST FND ESPU BATT 12WL LOW VOLTAGE REF ROUTINE NO. 9491373 - ORIGINATED BY EMP V924351, SPEC NO.A3NB-33-3-6012 PERFORMED BY EMP V924351, PERFORMED REPLACEMENT OF 12WL ESPU BATT PACK AND PERFORMED BITE TEST OF ESPU THE RESULT FND ''SATIS'' AS PER AMM 33-51-38-000-002 REV.103, AMM 33-51-38-400-002 REV103 AMM 33-51-00-710-001 REV.103 ADD EMP:V905504 IDT BY TA439.