As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - DUIRNG OPERATIONAL TEST OF EMERGENCY LIGHT SYSTEM, MAINTENANCE FOUND THE SEAT MOUNTED EMERGENCY LIGHTS FROM SEAT ROWS 12 THROUGH 19, LEFT SIDE, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE M1136 BATTERY CHARGER ASSEMBLY AND THE BATTEYR PACK, P/N 2013-1A. OPERATIONAL CHECK GOOD. (M)