SDR RDS121107

Service difficulty report · Relay · Cvac 440

Difficulty date
August 3, 2010
Submitted
September 9, 2010
Operation
Air carrier
Aircraft
N587CA
Make and model
Cvac 440
Aircraft serial
463
Engine
Rroyce DART5424
Part
Relay
Part number
339583
Condition
Failed
Location
Fire Detector
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

NR1 ENGINE FIRE LIGHT CAME ON INTERMITTENTLY DURING TURBULENCE AND ROUGH PAVEMENT. R & R FIRE DETECTOR BOX PN 33958-3, SN OFF 3654, ON 829 TEST OK. TEST IAW CH 20-1-PAGE 1-20.1-2-3 CV 440 MM. "NOTE" TAPPING ON FIRE DETECTOR PANEL COVER SIMULATED THE LIGHT CONDITION.