Service difficulty report · Switch · Cessna 680CE

Difficulty date
February 3, 2011
Submitted
February 4, 2011
Operation
Air carrier
Aircraft
N388QS
Make and model
Cessna 680CE
Aircraft serial
6800113
Aircraft time
3,608 hours, 2,395 cycles
Part
Switch
Part number
69481013
Condition
Malfunctioned
Location
Mlg
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 MLG RETRACTION, UNLOCK LIGHT DID NOT EXTINGUISH. DOWN LIGHTS OUT GEAR UP. GEAR EXTENDED, LIGHTS ILLUMINATED & UNLOCK LIGHT OUT. OPS GEAR. COULD NOT DUPLICATE. COLD SOAKED UPLOCKS & OPS MLG. RED UNLOCK LIGHT WENT OUT EACH TIME. NR 1 GEAR PCB, LT UPLOCK WOULD INTERMITTENTLY SHOW NOT UPLOCKED. SWITCH CHECKED GOOD. SWITCHES RIGGED CORRECTLY. UPLOCK HOOKS FREE MOVING. NLG STRUT PRESSURE GOOD. UPLOCK SWITCH CHECKED GOOD. FOUND NLG ACTUATOR SPADE DOOR BACK .5 INCHES. REPOSITIONED NLG DOOR, CHECKED GOOD. OHMED ALL SWITCHES & GROUNDS, CHECKED GOOD. R & R BOTH MAIN UPLOCK SWITCHES, & NOSE SWITCH. RIGGED & OPS GEAR, CHECKED GOOD IAW MM 32-60-00.