What was found
(E81R) DURING DISASSEMBLY OF NOSEWHEEL FOR TIRE REPLACEMENT NOTED CORROSION PITTING IN BOLT HOLES. PITTING WAS DEEPER THAN FIELD REPAIRABLE SERVICE LIMITS. THIS IS THE SECOND NOSEWHEEL ASSY FROM A RELATIVELY NEW ACFT REJECTED IN LAST 30 DAYS DUE TO EXCESSIVE BOLT HOLE CORROSION PITTING. RECOMMEND AIRFRAME AND WHEEL ASSY MFG INVESTIGATE WHETHER A WHEEL PRODUCTION PROCESS CHANGE MAY BE CAUSING PREMATURE CORROSION OR IF THE COMPONENT MM PROCEDURES MAY NEED A REVISION TO ADDRESS BOLT HOLE CORROSION PREVENTION.