Service difficulty report · Bearing · Cessna 680SOV

Difficulty date
February 24, 2026
Submitted
February 27, 2026
Operation
Air carrier
Aircraft
N378QS
Make and model
Cessna 680SOV
Aircraft serial
6800103
Aircraft time
15,906 hours, 10,618 cycles
Part
Bearing
Part serial
S307106024
Condition
Defective
Location
Zone 700
Stage of operation
CL
How discovered
O
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

AFTER TAKEOFF, GEAR RETRACTED NORMALLY. DURING CLIMB OUT (APPROXIMATELY 10000-12000 FEET) THE RED GEAR UNLOCK LIGHT ILLUMINATED. RAN QRH. DURING THE GVI OF THE NLG ASSEMBLY FOUND THE UPLOCK BEARING WAS COMPLETLY MISSING FROM THE NOSE GEAR CAUSING THE UPLOCK SWITCH TO NOT DEPRESS. INSTALLED THE MISSING UPLOCK BEARING ASSEMBLY ONTO THE NLG ASSEMBLY.1 BOLT (NAS6204-44D, SN- NSN), 1 SPACER (6742028-3, SN-NSN),4 BUSHINGS (PN- NAS75-6-013, SN- NSN), AND 1 BEARING (PN-S3071-06C24, SN- NSN) AND ASSOCIATED HARDWARE. WORK DONE IN REF TO CE680 AMM 32-30-50. OPS CHECKS GOOD IN REF TO CE680 AMM 32-00-00