Service difficulty report · Switch · Cessna 680A

Difficulty date
March 31, 2022
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N616QS
Make and model
Cessna 680A
Aircraft serial
680A0246
Aircraft time
1,592 hours, 1,010 cycles
Part
Switch
Part number
603731
Part serial
NSN
Condition
Defective
Location
Zone 700
Stage of operation
CR
How discovered
L
Nature of condition
J
Precautionary procedure
O

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

What was found

NLG: AT 37000, GEAR DIASGREE N CAS ILLUMINATED. FOLLOWED BY NOSE GEAR AMBER INDICATION LIGHT. BANGING NOISE HEARD FROM NOSE GEAR AREA. SPEED SLOWED TO 190 KNOTS. DESCENDED TO 17000, GEAR EXTENDED. NOSE GEAR EXTENDED PROPERLY WITH GEAR DOWN GREEN INDICATION. LANDED WITHOUT INCIDENT. // SIGNOFF// PER MCC REQUEST OHMED OUT NOSE LANDING GEAR UP LOCK AND DOWN LOCK SWITCHES HARNESS FROM CONNECTOR PG028 TO PG006 FOR THE UP LOCK SW AND FROM PG002B TO PG029 FOR THE DOWN LOCK NO DEFECTS NOTED, JACKED UP AC CONNECTED HYD MULE AND C W LANDING GEAR OPERATIONAL CHECK IAW CE6BOA MM32-00·00 OPS CHECK GOOD, PERFORMED ADJUSTMENT /TEST ON THE LH MAIN GEAR UPLOCK SWITCH IAW CE-680A CH, 32-32-00. MEASUREMENT REQUESTED FOR STEP 3,C,9.A BEFORE ADJUSTEMENT IS ,2, ADJUSTED SWITCH TO .25 AS REQUESTED. OPS CHECK GOOD. NO DEFECTS NOTED. REMOVED AND REPLACED UP NOSE LANDING GEAR UP LOCK AND DOWN LOCK SWITCHES IAW CE680A MM32-32-10 & 32-30-10 OPS CHECKS GOOD.

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