As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AFTER START FLOW PRIOR TO TAXI WITH FLAP LEVER SELECTED TO 10, EICAS DISPLAYED YELLOW €˜X€™ OVER RIGHT INBOARD/OUTBOARD FLAP POS INDICATOR. FLAP POS INDICATOR. LEFT FLAPS INDICATED CORRECTLY REMOVED & REPLACED RIGHT OUTBOARD RVDT TRANSMITTER EQUIP# M7893 REF AMM 27-58-01 OPS CHECK GOOD, A/C OK FOR SERVICE