SDR 9707779753

Service difficulty report · Downlock Switch · Doug DC941

Difficulty date: April 10, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N753NW
Make and model: Doug DC941
Aircraft serial: 47117
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Switch
Condition: Failed
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

UPON LANDING, GEAR EXTENSION FOR LANDING AT DTW, NOSE WHEEL LIGHT DID NOT SHOW GREEN. RECYCLED GEAR AND GOT ALL NORMAL INDICATION. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE SWUNG GEAR BUT COULD NOT DUPLICATE PROBLEM. REPLACED NOSE GEAR DOWNLOCK SWITCH. GEAR OPERATION CHECKED OK.

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