Service difficulty report · Retaining Nut · Raythn HAWKER800XP

Difficulty date
March 5, 2009
Submitted
April 9, 2009
Operation
General aviation
Make and model
Raythn HAWKER800XP
Part
Retaining Nut
Part number
25UM77
Condition
Mismanufactured
Location
Landing Gear
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) THE PROBLEM DEALS WITH INSUFFICIENT BAKE TIMES DURING HYDROGEN DE-EMBRITTLEMENT RELIEF AFFECTING CADMIUM PLATE, CHROME PLATE, PHOSPHATING AND NITAL ETCH PROCESSES. AS A CONTAINMENT ACTION MFG (41-89) ARE FOCUSED ON INVESTIGATING THE SIDE STAY, NOSE LANDING GEAR (NLG) AND MAIN LANDING GEAR (MLG) COMPONENTS. THE ROOT CAUSE IS UNDER INVESTIGATION AND A SPECIAL TEAM HAS BEEN FORMED TO REVIEW SYSTEMIC ISSUE WITHIN MFG PROCESSES.