What was found
TUS-ON FLIGHT NUMBER 2535, INTERMITTENT FIRE SYSTEM FAULT STATUS MESSAGE, USUALLY ASSOCIATED WITH LIGHT TURBULENCE AT FL370 AND FL390. INTERROGATED MDC, NO FAULT FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
TUS-ON FLIGHT NUMBER 2535, INTERMITTENT FIRE SYSTEM FAULT STATUS MESSAGE, USUALLY ASSOCIATED WITH LIGHT TURBULENCE AT FL370 AND FL390. INTERROGATED MDC, NO FAULT FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.