SDR GUUA03300801

Service difficulty report · Downlock Switch · Beech 1900D

Difficulty date: March 30, 2008
Submitted: April 3, 2008
Operation: Air carrier
Aircraft: N17541
Make and model: Beech 1900D
Aircraft serial: UE203
Aircraft time: 25,119 hours, 29,699 cycles
Engine: Pwa PT6A67D
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Switch
Part number: 404EN16
Condition: Failed
Location: Mlg
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

FLIGHT: 9164, DURING APPROACH, LANDING GEAR INDICATED DOWN AND LOCKED (3) GREEN. HOWEVER, FLAPS WOULD NOT EXTEND BEYOND 17 DEGREES WITHOUT GEAR WARNING HORN SOUNDING. UPON LANDING THE GEAR HANDLE LIGHT ILLUMINATED. GEAR HANDLE LIGHTS AND GEAR HORN WILL NOT EXTINGUISH OR SILENCE. REPLACED RT MLG DOWNLOCK SWITCH.

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