Service difficulty report · Squat Switch · Cessna 680A

Difficulty date
June 5, 2023
Submitted
June 5, 2023
Operation
Air carrier
Aircraft
N652QS
Make and model
Cessna 680A
Aircraft serial
680A0198
Aircraft time
4,337 hours, 2,832 cycles
Part
Squat Switch
Part number
69480012
Condition
Abnormal
Location
Zone 700
Stage of operation
TO
How discovered
L
Nature of condition
G
Precautionary procedure
A

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

What was found

ON TAKE OFF LANDING GEAR SELECTED UP LOT OF SHIMMY FROM NOSE GEAR. THEN GOT GEAR DISAGREE L R N 3 YELLOW DOWN WOW MISCOMPARE CASS MESSAGE. RAN X2 WHICH LEAD TO N 2. GOT 3 GREEN DOWN AND TOWER CONFIRM GEAR APPEARED DOWN. INSPECTED NLG WIRING HARNESS AND GS014 SQUAT SWITCH. FOUND RESISTANCE CONTINUITY TO BE INCONSISTANT. PER ARES DOWNLOAD TO INDICATE THE GS014 SQUAT SWITCH TO BE FAULTY. ACCESSED NLG SQUAT SWITCH HARNESS & REMOVED. REPLACED (SG014)WBA NOSE SQUAT SWITCH WITH NEW UNIT. OPS & GEAR SWINGS CHECKS GOOD. NO CAS MSGS AT THIS TIME. MX IAW MM32-60-10, 32-60-00, 32-30-05.

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