As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 & 4 ENGINE REVERSERS WENT INTO REVERSE IN FLIGHT. REINSTALLED NR 1 & 4 T/R LOCKOUT SPRINGS PER MM 76-11-00, OPS CHECK GOOD. REINSTALLED PNLS 573A AND 573B PER MM 53-21-01 AND REINSTALLED CAPT AND CO-PILOTS SEATS PER MM 25-11-01. RESET STALL WARNING C/B.