SDR WX0A2015122873055

Service difficulty report · Warning System · Boeing 757204

Difficulty date: December 27, 2015
Submitted: December 28, 2015
Operation: Air carrier
Aircraft: N906NV
Make and model: Boeing 757204
Aircraft serial: 27236
System (JASC): 3260 · Landing Gear Position and Warning
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: DE
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

ON DESCENT, AT APPROX 4,000 MSL & AGL, GOT GEAR NOT DOWN EICAS MSG, CONFIG LIGHT & HORN. POWER LEVERS WERE AT IDLE & CAPTAIN ADI WAS DISPLAYING A RA FLAG. PERFORMED FIM 31-51 FAULT TREE 817 FOR LANDING CONFIGURATION WARNING & FIM 34-33 FAULT TREE 818 FOR RA BITE. BOTH OPERATIONS CHECKED GOOD, COULD NOT DUPLICATE.