As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A-CHECK, NOTICED LT INBD FLAP LOOSE. PERFORMED INSPECTION AND FOUND 4 INCH CRACK IN LOWER RAIL. REMOVED PART FROM SERVICE AND INSTALLED NEW. PERFORMED NDT INSPECTION ON OTHER FLAP TRACK, NO INDICATIONS. SUSPECT CAUSE: LOWERING FLAPS AT EXCESS AIRSPEED.