What was found
SFO - FIRE BELL AND 'SMOKE' AURAL WARNING WHEN STARTING RIGHT ENGINE. MAINTENANCE REPLACED AURAL WARNING UNIT. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SFO - FIRE BELL AND 'SMOKE' AURAL WARNING WHEN STARTING RIGHT ENGINE. MAINTENANCE REPLACED AURAL WARNING UNIT. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)