As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS UNDERGOING SCHEDULED MAINTENANCE, NO FLIGHT DELAY. LP517587 ITEM #1 REF HEAVY SERVICE TC HS2010-01 STEP (4) OPERATIONAL TEST OF THE EMERGENCY LIGHTS. TEST FAILED LIGHTS ON L2 DOOR SLIDE INOP (7502MM). REMOVED AND REPLACED L2 DOOR SLIDE REF AMM 25-62-44-000-007-A. & 25-36-44-400-007-A. OPS TEST OK AT THIS TIME.