As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLAP RETRACTION FROM 5 TO 2 DEGREE THE NR 5 SLAT WOULD NOT RETRACT. THE OTBD AND INBD FLAP NEEDLES TRAVEL FURTHER INTO THE WHITE BAND WHEN OPS TESTED ON THE GROUND. AIRPLANE FLEW WITH NO SIGNIFICANT ROLL. REPLACED NR 5 SLAT ACTUATOR REF AMM 27-81-032-4. RESERVICED HYD SYS HEAD PRESS IAW AMM 29-11-000-2. LE SLAT POSITION IND OPS NRML IAW AMM 27-82-011-4. OPEN