What was found
PDX- FLIGHT 2551- RIGHT PACK CAUTION MESSAGE AFTER ENGINE START, RETURNED TO THE GATE. MAINTENANCE CHECKED THE SYSTEM WITH NO DEFECTS NOTED, COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- FLIGHT 2551- RIGHT PACK CAUTION MESSAGE AFTER ENGINE START, RETURNED TO THE GATE. MAINTENANCE CHECKED THE SYSTEM WITH NO DEFECTS NOTED, COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.