Service difficulty report · Circuit Board · Cessna 560CESSNA

Difficulty date
January 6, 2003
Submitted
March 13, 2003
Operation
Air carrier
Aircraft
N807QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600617
Aircraft time
301 hours, 290 cycles
Engine
Pwa PW535A
Part
Circuit Board
Part number
NZ042
Condition
Failed
Location
Cabin Pressure
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

DURING DESCENT FROM 35,000, THE EMERGENCY PRESSURIZATION CAME ON AT ABOUT 18,000 AT 10 DEG AND STAYED ON FOR 3-4 SECONDS.