Service difficulty report · Pump · Cirrus SR20

Difficulty date
September 17, 2014
Submitted
November 12, 2015
Operation
General aviation
Aircraft
N581PU
Make and model
Cirrus SR20
Aircraft serial
2041
Aircraft time
2,258 hours
Engine
Cont IO360ES
Engine time
73 hours
Propeller
Hartzl BHCJ2YF1
Part
Pump
Part number
64936874A4
Part serial
B14BA22R
Condition
Low Pressure
Location
Fuel Sys
Part time
75 hours
Stage of operation
TO
How discovered
9
Nature of condition
R
Precautionary procedure
O

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

What was found

PILOTS REPORTED LOW FUEL FLOW ON TAKEOFF OF 13.5 GALLONS PER HOUR. WE HAVE ESTABLISHED AN OPERATIONAL MINIMUM FUEL FLOW OF 16.0 GALLONS PER HOUR DUE TO OUR EXPERIENCE WITH THESE ENGINE DRIVEN FUEL PUMP ANEROID FAILURES. ATTEMPTED TO ADJUST PUMP IAW SID97-3 AND MAXIMUM ADJUSTMENT AVAILABLE DID NOT CORRECT LOW FUEL FLOW CONDITION. PUMP REPLACED WITH NEW PUMP SN B13JA176, WHICH THEN DID NOT PASS FLIGHT CHECK PORTION OF SID97-3. PUMP WAS REPLACED AGAIN WITH A REBUILT PUMP.

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