The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Pauluhn Summit EA linear fluorescent light fixture,1/2" (2) NPT hubs,50/60 Hz,4 ft lamp,Fluorescent,Acrylic lens,T5HO mini bi-pin,Aluminum,Pendant ,6-lamp,Quick release,120-277 Vac,54W