Service difficulty report · Uplock Switch · Cessna 680A

Difficulty date
December 11, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N620QS
Make and model
Cessna 680A
Aircraft serial
680A0162
Aircraft time
3,189 hours, 2,078 cycles
Part
Uplock Switch
Part number
69481013
Part serial
NSN
Condition
Defective
Location
Zone 700
Stage of operation
LD
How discovered
L
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

MLG: WHILE ATTEMPTING TO DEPLOY LANDING GEAR, RIGHT GEAR SHOWED YELLOW X. CAS MESSAGE LANDING GEAR DISAGREE DISPLAYED. COMPLIED WITH CHECKLISTS AND UNEVENTFUL LANDING // SIGNOFF // TROUBLE SHOT FOUND R/H UPLOCK SWITCH DEFECTIVE. REMOVED DEFECTIVE SWITCH AND INSTALLED NEW SWITCH. C/W RIGGING OF SWITCH, C/W RESET OF HYDRAULIC VALVE AND BLEEDING OF HYDRAULIC SYSTEM. OPERATIONAL AND FUNCTIONAL CHECKS GOOD. NO DEFECTS NOTED. IAW CE 680A MM 32-32-00, 32-00-00, AND 32-34--00 (REV 12).

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