As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, HAD TE FLAP ASYM AND TRAILING EDGE DISCRETE LIGHT. WHEN FLAPS 30 SELECTED BOTH FLAP POSITION INDICATORS INDICATED FLAPS 30. MTX GOUNDED A/C AND TROUBLESHOT, REMOVED AND REPLACED FSEU IAW AMM 27-51-00 OPERATIONAL CHECKS NORMAL AND RETURNED A/C TO SERVICE.