As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE LANDING GEAR CORROSION INSPECTION, THE NOSE U/C DOORS HAD CLOSED IN THE INCORRECT SEQUENCE. THIS SCENARIO HAS THE POTENTIAL OF THE NOSE GEAR DOORS FAILING TO OPEN AND THE NOSE GEAR ASSY FAILING TO EXTEND. ROOT CAUSE WAS THE THE MISRIGGING OF THE FORWARD DOOR LINKAGES AT A POINT IN TIME PREVIOUS TO THE ACFT BEING MAINTAINED. NOSE GEAR DOORS RE-RIGGED IAW MM 32-20-00 B, DEFECT/DISCREPANCY WORKSHEET 062 REFER.