As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE REVERSER DID NOT DEPLOY UPON LANDING. LEFT REV DOES NOT DEPLOY DURING GROUND CHECK. DUE HISTORY, INOPED LEFT REVERSER IN THE FWD THRUST POSITION. T-S PER MM 78-31-00 FIG 1 03B AND WD 78-34-51. FOUND NO 28VDC AT PIN 11 OG AIR GND RELAY K167. FOUND REV SW S21 BROKEN AT MICROSWITCH PACK. REPLACED MICROSWITCH PACK ASSY, REV OP CHECKED OKAY.