As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT & LT EXTERIOR OVERWING EMERGENCY LAMPS INOPERATIVE. R & R NR 4 EMERGENCY BATTERY & CHARGER IAW AMM 33-50-04-000-801-A & 33-50-04-400-801-A. NO FIX, TROUBLESHOT EXTERNAL OVERWING EMERGENCY LAMPS USING WM 33-50-50. LAMPS TESTED GOOD WITH 6VDC APPLIED TO PIN 9 ON PLUG P8503. TRIED 2 MORE BATTERIES & 3 MORE CHARGERS, NO POWER COMING FROM CHARGER TO PIN 9. TRANSFERRED TO AML PAGE 3476335 ITEM 1.