Service difficulty report · Piston · Doug DC982

Difficulty date
May 24, 2002
Submitted
June 11, 2002
Operation
Air carrier
Aircraft
N140NJ
Make and model
Doug DC982
Aircraft serial
49931
Aircraft time
27,928 hours, 23,015 cycles
Part
Piston
Part number
5920603507
Part serial
CPI1172
Condition
Flaking
Part time
9,361 hours, 7,547 cycles
Component
Nlg · Boeing
Component part number
59403375003
Stage of operation
TO
How discovered
L
Nature of condition
J
Precautionary procedure
A

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

What was found

Nose Landing Gear would not retract after take-off, returned to MCI for unscheduled landing. During inspection, on jacks, found cadium plating flaking off the NLG piston. Removed and replaced Piston and Axel assembly IAW 32-21-02. During teardown found Bearing, P/N 5961561-1 and Retainer, P/N 3962423-1 scratched and parts of the plating imbeaded on surface. Bearing and Retainer replaced IAW MM 32-21-02. Operational check IAW 32-30-00, no defects noted. This is closing action for P2EA2002M036

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