As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1675 WILL NOT STAY ILLUMINATED. REMOVED AND REPLACED BATTERY PACK AND POWER SUPPLY AT M1675 IAW AMM 33-51-06-960-805, 33-51-06-960-806, AND WDM 33-51-12 . OPS CHECK GOOD IAW AMM 33-51-06-960-806.