As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY POWER PACK, M1674, FAILS EMERGENCY LIGHTING FUNCTIONAL CHECK, BATTERY DISCHARGES IN LESS THAN 12 MINS. (REF. AAR NR 99962693).V REMOVED AND REPLACED A NEW EMERGENCY POWER PACK IAW B737 AMM33-51-06-960-805 TEST PASS (WORK ACCOMPLISHED BY V942723 & AAR QC A-74 V918045).