SDR WRLA96029

Service difficulty report · Hyd Pump · Doug MD11F

Difficulty date
August 6, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N274WA
Make and model
Doug MD11F
Aircraft serial
48633
Part
Hyd Pump
Part number
6506606
Condition
Failed
Location
Nr 3 Left
Stage of operation
CL
Nature of condition
J, K
Precautionary procedure
K

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

What was found

ON CLIMB-OUT, CREW RECEIVED 'HYD PUMP 3 OFF' ANNUNCIATION. HYD CONTROLLER OPERATED NORMALLY, NR 3 STANDBY PUMP CAME INTO OPERATION. FLT CREW CONTINUED WITH FLT. AFTER 1HR 45 MINS AT CRUISE, FLT CREW RECEIVED 'HYD SYSTEM 3' FAILED ANNUNCIATION. AT THAT TIME NR 3 HYD SYSTEM QUANTITY WAS NOTED ZERO. HYD CONTROLLER OPERATED NORMALLY, SHUTTING DOWN NR 3 SYS HYD PUMP. FLT CREW ELECTED TO CONTINUE TO PLANNED DESTINATION PER 'ABNORMAL PROCEDURE'. ALT LANDING GEAR EXTENSION PROCEDURE UTILIZED. A/C LANDED W/O FURTHER INCIDENT. MX FOUND NR 3 LT PUMP FAILED. R/R LT AND RT PUMPS. SERV SYS TO FULL. LK CHECK OK. A/C RETURNED TO SERV. HYD CONTROLLER (P/N 6506606) WILL BE REMOVED FROM A/C. FAULT MEMORY WILL BE IN

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