As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MSG TE FLAP DISAGREE & TE FLAP LIGHT ILLUMINATED, WHEN FLAP LEVER & INDICATOR IN SAME POSITION. INTERMEDIATE TE FLAP DISAGREE DURING TAXI WITH FLAPS SET TO 15, ITEM ROLLED FORWARD. ADJUSTED OTBD SLAT PDU SENSOR M548, CHECKED ADJUSTMENT OF FLAP LEVER POSITION RVDTS, ALL VALUES WITHIN LIMITS. REPLACED FSEU WITH NEWER 63 UNIT. ALL OPERATIONAL & SENSOR VALUES GOOD.