As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FSS PANEL CONTINUOUSLY FAULTS, ARGON PRESSURE, THEN BLINKS BLANK & BACK TO NORMAL EVERY 5 SECONDS. THEN STOPS FOR A FEW MINUTES & FAULTS AGAIN. SERVICED TO 2900 PSI IAW MM 26-00-120. NO LEAKS NOTED IAW 26-00-111. COMPLIED WITH POST MX RTS IAW 26-00-450. NO FAULTS NOTED. ACFT OK FOR SERVICE.