As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 600-HOUR INSPECTION, FOUND INTERGRANULAR CORRROSION OF BEAM AROUND NAS1154C5 ATTACH SCREW. BOTH OUTBOARD BEAMS OF THRUST REVERSERS HAD THIS CORROSION. BEAM IS EXTRUDED ALUMINUM. LEARJET RECOMMENDS BEAM REPLACEMENT. PART TOTAL CYCLES, 2,933.