Service difficulty report · Squat Switch · Cessna 680A

Difficulty date
March 14, 2023
Submitted
March 15, 2023
Operation
Air carrier
Aircraft
N688QS
Make and model
Cessna 680A
Aircraft serial
680A0222
Aircraft time
3,535 hours, 2,311 cycles
Part
Squat Switch
Part number
694800012
Condition
Defective
Location
Zone 700
Stage of operation
TO
How discovered
C
Nature of condition
J
Precautionary procedure
A

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

What was found

DEPARTING KTEX THE MLG FAILED TO RETRACT COMPLETELY. PERFORMANCE DEGRADED & A NOISE ASSOCIATED WITH CONFIGURATION. FOLLOWED THE CHECKLIST AND DIVERTED. VISUALLY INSPECTED NLG & COMPLETED NLG STEERING - ADJUSTMENT/TEST TO VERIFY MLG RETRACTS WITH NOSE WHEELS CENTERED, NO DISCREPANCIES NOTED IAW MM 32-50-00. CHECKED RIG OF NLG UP-LOCK SWITCH & CYCLED THE NLG SEVERAL TIMES WITH NO DISCREPANCIES IAW MM 32-32-10. ARES WAS SENT FOR REVIEW BY PREVIOUS CREW & DOWNLOAD SHOWED THE NLG SQUAT SWITCH INTERMITTENTLY FAILED DURING RETRACTION. REMOVED NLG SQUAT SWITCH IAW MM 32-60-10. INSTALLED REPLACEMENT NLG SQUAT SWITCH AND ADJUSTED NLG HARNESS FOR PROPER FITMENT, OPS CHECKS GOOD, IAW MM 32-20-00 AND 32-60-05.

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