As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMEGENCY POWER PACK, M2626, FAILS EMERGENCY LIGHTING FUNCTIONAL CHECK. BATTERY DISCHARGES IN LESS THAN 11 MINS (REF: AAR NR 1000012870) CHARGED BATTERY PACK (M2626) IAW B737 AMM 33-51-06-610-802, 24-22-00-860-811 AND PERFORMED EMERGENCY LIGHTS OPERATIONAL CHECK IAW B737 AMM 33-51-00-720-801. OPS TEST OK (WORK ACCOMPLISHED BY V943433 AND AAR QC A-11 V931821)