What was found
DEN - RECEIVED A INBOARD SPOILER CAUTION ON TAXI OUT. RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT INBOARD PCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEN - RECEIVED A INBOARD SPOILER CAUTION ON TAXI OUT. RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT INBOARD PCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.