As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FIREBELL CAME ON FOR A SECOND, INFLIGHT. CRUISE FLT THE LEFT FIRE DETECT FAIL CWP CAUTION LIGHT REPEATEDLY CYCLED ON AND OFF IT WOULD GO OUT FOR 3 SECONDS AND COME BACK, QRH COMPLETE. MAINTENANCE FOUND CONTAMINATED CONNECTION AT ENGINE NACELLE. CLEANED AND SAFETIED OPS CHECK IAW SAAB 340 AMM CH 26-11.