As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DR 4R EMER POWER SUPPLY (M33409) BATT PACK FAILED CAPACITY CHECK REF HX NR WO.2511325, ORIG BY V920570 DR 4R EMER POWER SUPPLY (M33409) BATT PACK REPLACED AN TESTED NO RMAL AS PER AMM 33-51-06 ACCOMPLISHED BY MECH V920569, INSP V897004