As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT WHEN THEY WENT TO EXTEND THE FLAPS HAD A STRONG ELECTRICAL SMELL & THE FLAPS DID NOT EXTEND. MAINTENANCE R&R FLAP GEAR BOX MOTOR P/N 100-524073-1 S/N OFF 6137 S/N ON. 5693 OPS CHECK GOOD AT THIS TIME REF 1900DMM 27-50-03.