As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 KREUGER FLAP DID NOT INDICATE DOWN WITH FLAPS AT 5 DEGREES, NO ROLL TENDENCY. REMOVED AND REPLACED THE NR 1 KRUEGER FLAP POSITION INDICATING SWITCH IN ACCORDANCE WITH BOEING 727 MAINTENANCE MANUAL 27-82-1 AND PERFORMED OPERATIONAL CHECK PER BOEING MAINTENANCE MANUAL 27-82-0. OPERATIONAL CHECK WAS GOOD.