As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT INBD FLAP ACTUATOR FOUND SPLIT LENGTHWISE ALONG LENGTH OF ACTUATOR PISTON DURING ROUTINE PHASE 1 INSPECTION. PHASE 1 INSPECTION CONSISTS OF EMPHASIS ON THE WINGS STRUCTURE AND ASSOCIATED COMPONENTS. FLAPS OPERATED NORMALLY BUT LT INBD FLAP ACTUATOR MADE NOISE. ACTUATOR WAS R & R WITH SERVICEABLE OVERHAULED ASSEMBLY. FLAPS WERE CHECKED FOR CORRECT TRAVEL AND OPERATION, NO OTHER DISCREPENCIES WERE NOTED.