As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY LIGHT OPS CHECKS MULTIPLE LIGHTS FAILED TO COME ON. REMOVED AND REPLACED TWO BATTERY PACKS AT M736 AND M737 IAW AMM 33-51-07. REMOVED AND REPLACED 5 AMP FUSE IAW AMM 33-51-07. PERFORMED OPS CHECK OF EMERGENCY LIGHTS IAW 33-51-00 OPS CHECK GOOD. REMOVED AND REPLACED EMERGENCY LIGHT SWITCH IAW B757-SWPM 20-83-11 OPS CHECK GOOD.