As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: MAIN CABIN EMERGENCY CLEAR PROXIMITY PATH LIGHTS ARE INOPERATIVE ON LEFT HAND ROWS 8 THRU 14. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M01676. PERFORMED SATISFACTORY OPERATIONAL TEST. PER B737 AMM 33-51-06.