As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT OVERWING SLIDE SUCCESSFULLY DEPLOYED WHILE ACCOMPLISHING LT & RT EMERGENCY SQUIB TESTS. FOUND RELAY K838 (SQUIB TEST 1 RELAY) NOT PROVIDING POWER TO LEFT OVERWING ESCAPE SYSTEM POWER SUPPLY. REPLACED THE RELAY IAW SWPM 20-81-22. THE AIRCRAFT WAS GROUNDED.