As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE THRUST REVERSER DISAGREE ON T/O ROLL. FOUND LOWER PIVOT DOOR ACTUATOR OVERSTOW NUT OUT OF ADJUSTMENT. ADJUSTED OVERSTOW NUT GAP IRT AMM 78-31-01. REACTIVATED THURST REVERSERS IRT AMM 78-31-01. PERFORMED THRUST REVERSER OPS CHECK IRT 78-31-01. NO DEFECTS NOTED.