What was found
AIRCRAFT GROUNDED - EPSU SYSTEM, BITE CHECK FAILED, FAULTING DOOR SLIDE OVERWING EXIT LIGHTS. ACCOMPLISHED TSM TASK 33-51-00-810-809-A, EMERGENCY LIGHTS WORK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT GROUNDED - EPSU SYSTEM, BITE CHECK FAILED, FAULTING DOOR SLIDE OVERWING EXIT LIGHTS. ACCOMPLISHED TSM TASK 33-51-00-810-809-A, EMERGENCY LIGHTS WORK NORMAL.