As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. LANDING UNEVENTFUL. DURING APPROACH THE TRAILING EDGE FLAPS WOULD NOT EXTEND BEYON 25. DURING GO AROUND FLAPS WOULD NOT RETRACT. DIVERTED TO IAD. REMOVED AND REPLACED NR 1 FSEU IAW AMM 27-51-01 AND LEFT FLAP POSITION TRANSMITTER IAW AMM 27-58-01. OPERATIONAL CHECK NORMAL.