SDR 06FDEA2436

Service difficulty report · Pump · Doug DC1030

Difficulty date
July 1, 2006
Submitted
July 3, 2006
Operation
Air carrier
Aircraft
N308FE
Make and model
Doug DC1030
Aircraft serial
48297
Aircraft time
51,370 hours, 15,721 cycles
Part
Pump
Condition
Malfunctioned
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
M, G, J
Precautionary procedure
E, A

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

What was found

AFTER T/O, NR 2 HYD LT EDP OVERPRESS, APPROX 4KPSI, PER QRH SHUT OFF THAT PUMP NOTICED NR 2 HYD TEMP WAS HI 70 DEG AND RISING FOLLOWED QRH NO HELP, RECEIVED LT TEMP HI ON NR 2 SYS. FOLLOWED QRH, NO HELP. TEMP KEPT RISING ON NR 2 SYS AT 120 DEG, SHUTDOWN NR 2 ENG. NR 2 ENG HYD PRESS HIGH DURING OP'S. FOUND NR 2 PRESS IND OUT OF TOL. R/R IND NR 2 LT HYD EDP NOT FULLY DEPRESS WHEN SEL'D OFF. R/R`D PUMP FLUID INSP IAW 29-11-01 NO DUCT DMG AND FILTER DELTA P POPPED. ENG RUN, FOUND NR 2 RT EDP NOT CLOSING DURING AUTO SELECTION W/THE LT PUMP FULLY PRESS. R&R R2-5415 AND TESTED PER TAFI, NO HELP. R&R NR 2 LT PRESS SW IAW 29-31-02, NO HELP, LK CKS OK. R/R`D NR 2 RT EDP DEPRESS SOL. R&R TEMP SENSOR CKS OK.

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