What was found
DURING MORNING EMERGENCY LIGHTS TEST, WHEN SELECTED ON, LIGHTS ILLUMINATED THEN WENT DIM AND FINALLY OFF. REPLACED BATTERY PACKS. S/N OFF 73729, 32333, 24513, 10662, 12950, YA8852, 4671, 72867, 3467, 7428, 65522, 9956. MAN P/N OF ALL WAS 9008-3-5A