SDR GUUA10100602

Service difficulty report · Warning System · Emb EMB120ER

Difficulty date: October 10, 2006
Submitted: October 17, 2006
Operation: Air carrier
Aircraft: N285AS
Make and model: Emb EMB120ER
Aircraft serial: 120265
Aircraft time: 29,425 hours, 29,148 cycles
Engine: Pwa PW118
System (JASC): 3260 · Landing Gear Position and Warning
Part: Warning System
Condition: Multiple Ind
Location: Cockpit
Stage of operation: DE
How discovered: O
Nature of condition: G, J
Precautionary procedure: O

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

What was found

DURING DESCENT, LANDING GEAR WARNING CAME ON THROUGH 2,800 FEET GROUND PROXIMITY WARNING SYSTEM (SINK RATE) AND (PULL UP) CAME ON CONSTANTLY BELOW 500 FEET WHILE GLIDESLOPE AND VERTICAL SPEED INDICATOR SHOWING 500 FEET A MINUTE ON DESCENT. COMPLIED WITH TERRAIN AWARENESS AND WARNING SYSTEM ADJUSTMENT TEST, OPERATIONAL CHECK NORMAL.

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