What was found
WHILE TAXING FOR DEPARTURE FLAPS WOULD EXTEND BUT WOULD NOT RETRACT. AIRCRAFT RETURNED TO GATE AND MAINTENANCE REPAIRED BROKEN WIRE AT FLAP CONTROL VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE TAXING FOR DEPARTURE FLAPS WOULD EXTEND BUT WOULD NOT RETRACT. AIRCRAFT RETURNED TO GATE AND MAINTENANCE REPAIRED BROKEN WIRE AT FLAP CONTROL VALVE.