As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLAP RETRACTION THE NR 7 SLAT FAILED TO RETRACT. AMBER LIGHT REMAINED ON AT PILOT'S PANEL AND GREEN LIGHT REMAINED ON AT THE SLAT/FLAP INDICATOR PANEL. REPLACED NR 7 SLAT ACTUATOR, DID NOT CURE PROBLEM IAW 727-100 MM PAGE 401 TO 409 CHAP 27-81-32. REPLACED NR 7 SLAT EXTENDED SWITCH IAW 727-100 MM CHAP 27-81-11 PGS 401 TO 405, OPS CHECK GOOD.