What was found
AFTER PASSENGER BOARDING, PRIOR TO START, RECEIVED A FLAP FAIL CAUTION MESSAGE. REPLACED LEFT OUTBOARD BPSU AND PERFORMED RIGGING. OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER PASSENGER BOARDING, PRIOR TO START, RECEIVED A FLAP FAIL CAUTION MESSAGE. REPLACED LEFT OUTBOARD BPSU AND PERFORMED RIGGING. OPS CHECKS GOOD.