SDR 20000330SH009

Service difficulty report · Plunger · Cessna 177RG

Difficulty date: March 30, 2000
Submitted: March 30, 2000
Operation: General aviation
Aircraft: N1873Q
Make and model: Cessna 177RG
Aircraft serial: 177RG0273
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Plunger
Part number: 204101738
Condition: Malfunctioned
Location: Lt Mlg Solenoid
Component: Gear Uplock Assy
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

WHEN THE GEAR WAS RETRACTED, THE SOLENOID PLUNGER EXTENSION WAS NOT PULLING THE DOWNLOCK MECHANISM COMPLETELY OPEN. WHEN THE GEAR WAS THEN EXTENDED AND THE GEAR HIT THE DOWNLOCK MECHANISM, IT WOULD DRIVE IT OVERCENTER BACKWARDS. REPLACING WORN PARTS FIXED THE PROBLEM. (X)

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