What was found
WHEN SELECTING LANDING FLAPS EICAS TRAILING EDGE FLAP ASYMMETRY MESSAGE ILLUMINATED. PERFORMED CHECKLIST AND EICAS MESSAGE WENT AWAY. STATUS MESSAGE FOR TRAILING EDGE FLAP SHUTDOWN STAYED ILLUMINATED. LANDED BDA WITHOUT INCIDENT. PERFORMED BITE TEST ON FLAP/SLAT UNIT WITH NO FAULTS NOTED. OPERATED FLAPS HYDRAULICALLY TO 30 DEGREES WITH NO STATUS MESSAGE. SYSTEM GROUND CHECKED NORMAL OPERATION.