As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP DISAGREE ON APPROACH. FLAPS STUCK ON 20 UNITS. TROUBLESHOOT T/E FLAP DISAGREE. FOUND NR 6 FLAP TRANSMISSION OIL IS BLACK AS VIEWED THROUGH SIGHT GLASS. DRAINED AND REPLACED WITH NEW OIL. LAB ANALYSIS INDICATED ACCEPTABLE LEVELS OF CARBON COMPOUND, OK. REMOVED NR 8 TRANSMISSION BALL SCREW ASSY. INSTALLED NEW NR 8 T/E FLAP TRANS.