As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PUSH BACK, EICAS MSG "NOSE A/G DISAGREE' CAME ON A/C RETURNED INTO GATE AND MTX GROUNDED A/C . MTX PERFORMED NOSE WHEEL STERRING DRUM AND LOCKOUT INSPECTION CHECK, ACCOMPLISHED. IAW. AMM 32-34-05. NO DAMAGE NOTED A/C GOOD FOR SERVICE . MTX RETURNED AC TO SERVICE .