The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Pauluhn AllPro APA linear fluorescent light fixture,3/4" entry ,50/60 Hz,2 ft lamp,Fluorescent,Flat,Polycarbonate lens,T12HO RDC,Aluminum,2-lamp,Standard wall/ceiling,120-277 Vac,24W