As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER RATIO LIGHT ILLUMINATED ON THE GROUND. RUDDER RATIO LIGHT CIRCUIT BREAKER RECYCLED LIGHT WENT OUT. ACCOMPLISHED BYTE TEST PER FIM 27-09-00 BLOCK 106B. FOUND PCA FAULT BALL. AFTER RESET OF PCA BALL ON BOTH LEFT AND RTB RRC ACCOMPLISHED TEST PER MM AND TEST PASSED AND NO FAULTS INDICATED.