Service difficulty report · Steering Unit · Lear 45LEAR

Difficulty date
March 1, 2011
Submitted
March 1, 2011
Operation
General aviation
Aircraft
N975DM
Make and model
Lear 45LEAR
Aircraft serial
452073
Aircraft time
636 hours, 678 cycles
Part
Steering Unit
Part number
2W3201D
Condition
Misrepaired
Location
Nlg
Part time
636 hours, 678 cycles
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NOSE LANDING GEAR STRUT WITH NOSE WHEEL STEERING GEARBOX AND ACTUATOR WERE SENT TO REPAIR STATION FOR REPAIR. RECEIVED NOSE GEAR BACK FULLY ASSEMBLED AS SHIPPED OUT. HAD DIFFICULTY GETTING NOSE GEAR STEERING TO RIG PROPERLY AND UPON FURTHER INVESTIGATION FOUND ONE OF THREE NOSE GEAR STEERING GEARBOX ATTACH BOLTS MISSING AND THE OTHER TWO OF THREE BOLTS LOOSE. THESE BOLTS ARE INTERNALLY MOUNTED IN THE GEARBOX ASSEMBLY WITH NO WAY TO INSPECT THEM WITHOUT DISASSEMBLY OF GEARBOX. NO SAFETY PROVISIONS OR TORQUE STRIPE ON BOLT HEADS OR LOCK WASHERS.