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 NON-ROUTINE NO. 9407438 - ORIGINATED SPEC NO.A3NB-33-3-6012. PERFORMED REPLACED THE BATT 12WL AND PERFORMED OPS CHK OF ESPU. THE RESULT FND ''SATIS'' AS PER AMM 33-51-38-000- 002A REV 107, AMM 33-51-38-400-002A REV 107, AMM 33-51-00-710-00 1A REV 107.