As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT NOT GROUNDED) DURING WEEKLY CHECK, EPSU BITE THROUGH CFDS GAVE MESSAGE EPSU(13WL) AFT L/DEU B(300RH7). BITE TEST WITHOUT CIDS RESULTED IN EXTERIOR LIGHTS FAULT, LIGHT ILLUMINATING ON EPSU. R & R R2 SLIDE PACK IAW AMM 25-62-44-400-802-A. OPS CHECK GOOD.