As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO BRAKE DISARM LIGHT COMES ON AND REMAINS ILLUMINATED WHEN RTO SELECTED ON GROUND. GROUNDED - YES. REMOVED/REPLACED LT SWITCH PACK ASSY (M1766) REF AMM 76-11-07. DUE TO INTERCHANGEABILITY ISSUES, REMOVED/REPLACED RT SWITCH PACK ASSY (M1767) REF AMM 76-11-07. ALL TESTS PASSED ON BOTH SIDES. AUTO BREAK OPS NORMAL. NO AACU FAULTS.