As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TE FLAP DISAGREE EICAS ILLUMINATED WHEN FLAP LEVER MOVED FROM 20 TO 25 FLAPS. TROUBLE SHOT IAW FIM 27-51 PG 135 & FOUND A RT FLAP TRANSMITTER WIRE FAULT ON THE 2 FSCU. SWAPPED THE 2 & 3 FSCU. PERFORMED BITE TEST & HAVE NO MORE FAULTS. DID CHECK THE CP ON THE RT FLAP TRANSMITTER & FOUND NO FAULTS.