Service difficulty report · Fuel Control · Cessna 680SOV

Difficulty date
December 12, 2008
Submitted
April 7, 2009
Operation
Air carrier
Aircraft
N44M
Make and model
Cessna 680SOV
Aircraft serial
6800183
Aircraft time
1,199 hours, 765 cycles
Engine
Pwc PW306C
Engine time
1,199 hours, 765 cycles
Part
Fuel Control
Part number
31B535406
Part serial
SHU05148
Condition
Intermittent
Location
Rt Engine
Part time
1,199 hours, 765 cycles
Stage of operation
CR
How discovered
O
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

ON 12/12/08 THE "FUEL BOOST PUMP ON R" AMBER CAS MESSAGE DISPLAYED IN FLIGHT. THE MOTIVE FLOW PRESSURE SWITCH WAS REMOVED AND REPLACED AND THE SYS CHECKED OUT. ON 12/13/08 THE SAME INDICATION CAME ON. THE RT BLEED VALVE SOLENOID WAS REMOVED AND REPLACED AND THE SYS CHECKED OUT GOOD. ON 12/25/08 THE SAME INDICATION OCCURRED INTERMITTENTLY DURING TAXI. THE ENGINE WAS REMOVED AND REPLACED AT THIS TIME AND OPERATED NORMALLY. ON 1/31/09 THE ORIGINAL ENGINE WAS RE-INSTALLED WITH A NEW FUEL CONTROL UNIT. THE ACFT WAS RETURNED TO SERVICE WITH NO FURTHER INCIDENT.