SDR 95ZZZX5144

Service difficulty report · Downlock Switch · Doug DC931

Difficulty date: September 1, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N988Z
Make and model: Doug DC931
Aircraft serial: 47134
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Switch
Part number: H146
Condition: Malfunctioned
Location: Nlg
Stage of operation: AP
Nature of condition: P
Precautionary procedure: O

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

What was found

STL - FLT 693 - DURING APPROACH WHEN LANDING GEAR WAS EXTENDED NOSE LANDING GEAR GREEN, LOCKED LIGHT DID NOT ILLUMINATE. CYCLED LANDING GEAR AND GREEN LOCKED LIGHT ILLUMINATED. FOUND DEFECTIVE NOSE GEAR DOWNLOCK SWITCH, MFG PN H14-6. REPLACED NOSE GEAR DOWNLOCK SWITCH AND LANDING GEAR LIGHTS, OPERATION CHECKED NORMAL. CHECK C - 8-4-95 - STL.

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