As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT TE DISAGREE EICAS MESS FLAPS SELECTED 5 REMAINED AT NR 1, TOOK 3 TRIES IN HOLDING TO GET FLAPS 5 M AFTER LANDING SAME ISSUE. MTX GROUNDED ACFT AND TOUBLESHOT IAW FIM 27-51 FT 810. AND REMOVED AND REPLACED FLAP/SLAT SHUT OFF VALVE NO LEAK NOTED PERFORMED FLAP/SLAT SOV OPERATIONAL. TEST OPS OK. IAW AMM 27-51-48 FLAPS SLATS OPERATING NORMAL. AIRCRAFT REMAIN CAT IIIA NO LEAK NOTED. REF LP 39320-52/3.