As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 684 CORROSION ON OB BALLSCREW LARGE SHAFT AT LT WING INBD FLAP. CORRECTIVE ACTION: NRC S/N: 0224: OB BALLSCREW LARGE SHAFT AT LT WING INBD FLAP WAS REPLACED FOR A NEW ONE PER AMM 27-51. OPERATIONAL TEST WAS PERFORMED PER AMM 27-51. (0799257).