Service difficulty report · Servo Valve · Cessna 560XL

Difficulty date
November 26, 2006
Submitted
December 6, 2006
Operation
Air carrier
Aircraft
N636QS
Make and model
Cessna 560XL
Aircraft serial
5605304
Aircraft time
4,147 hours, 3,287 cycles
Engine
Pwa PW545A
Engine time
5,066 hours, 3,954 cycles
Part
Servo Valve
Part number
31J285704
Part serial
TR0848
Condition
Inoperative
Location
Rt Engine
Part time
90 hours, 83 cycles
Stage of operation
TO
How discovered
O
Nature of condition
R, J
Precautionary procedure
C

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

What was found

ON TAKEOFF ROLL AT ABOUT 70 KTS, THE RT EEC MANUAL LIGHT CAME ON. THE RT N2 WENT TO 102.4 FOR ABOUT 5 SEC. AFTER WE ABORTED, ALSO SAW 3 YELLOW DASH LINES ON THE RAT GAUGE. DOWNLOADED 32 ENG EEC DATA AND SENT TO MFG TECH SUPPORT. REMOVED AND REPLACED NR 2 ENG SERVO VALVE IAW MM 75-30-00, ALL REQUIRED CHECKS OPS CHECK GOOD. NOTE: SECONDARY ORIFICE METERING PLUG CHANGED FROM NR 48 TO NR 24.

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