Service difficulty report · Squat Switch · Textrn TEXTRON700

Difficulty date
June 11, 2025
Submitted
June 16, 2025
Operation
Air carrier
Aircraft
N879QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000136
Aircraft time
150 hours, 95 cycles
Part
Squat Switch
Part number
69480012
Condition
Defective
Location
Zone 700
Stage of operation
CL
How discovered
O
Nature of condition
E, J
Precautionary procedure
A

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

What was found

NLG LANDING GEAR RETRACTION: AFTER TAKEOFF DURING RETRACTION THE NOSE GEAR VIBRATED AND WE GOT THE FOLLOWING INDICATIONS GEAR CONTROL FAULT, GROUND DETECT FAULT, ADC SSEC MISCOMPARE, GEAR DISAGREE L-R-N, AND GEAR DOOR OPEN. GEAR INDICATIONS AS FOLLOWS NOSE AMBER DN MAIN GEAR AMBER AND BLACK HASHED. RAN THE CHECKLIST AND AFTER GEAR HANDLE DOWN WE GOT THREE GREEN. GROUND DETECT FAULT REMAINED, RAN THE CHECKLIST AND DUMPED THE CABIN AT THE FINAL APPROACH FIX. TAXIED IN WITHOUT ANY OF THE POSSIBLE INOPERATIVE ITEMS AFFECTING THE LANDING OR TAXI IN. CORRECTIVE ACTION: REPLACED SQUAT SWITCH IAW CE-700 AMM 32-60-10 OPS CHECK GOOD