As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AT FL140 AND 340 KNOTS THE FLAP IND MOVED TO 1/2 WITH ROLL MOTION L/E FLAP CAUTION LIGHT/EICAS MSG L/E FLAP ASYMMETRY MSG AS A/C SLOWED TO 250 KNOTS THE FLAP IN CYCLED UP AND BACK 1/2 4 TIMES/C PER FIM 27-81-00 FIG 107. FOUND FAULT AT PSEU 276 THEN PSEU BLANKED. FOUND PSEU LOOSE IN RACK. REMOVED AND REPLACED PSEU AND ALL OPS OK.