As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3777 -MISC/DE- DUE TO FLAPS WILL NOT EXTEND ON APPROACH. CORRECTIVE ACTION: FSEU BITE CHECK FAULT CODE 27-52259 (TE FLAP SENSOR L) REPORTED. REPLACED LEFT FLAP POSITION SENSOR. OPS CHECKS GOOD. FOUND FLAP POSITION INDICATOR N54 BAD. REPLACED SAME. PERFORMED GVI OF FLAP DRIVE SYSTEM. FLAP POSITION AND SKEW SENSORS OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.