SDR DL76G010588

Service difficulty report · Hydraulic System · Boeing 7673P6

Difficulty date: April 10, 2001
Submitted: April 17, 2001
Operation: Air carrier
Aircraft: N153DL
Make and model: Boeing 7673P6
Aircraft serial: 24985
Aircraft time: 42,304 hours, 11,522 cycles
System (JASC): 2900 · Hydraulic Power System
Part: Hydraulic System
Condition: Leaking
Location: Main
Stage of operation: CR
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

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

What was found

CENTER SYSTEM HYD QTY STARTED DROPPING RAPIDLY. TURNED OFF CENTER SYS PUMPS AS PER POM. .35 FLUID STILL IN SYS IN CRUISE. SERVICED CENTER SYS TO FULL. RAN ALL FLT CONTROLS, FLAPS, GEAR, RUDDER, ELEV, AND STAB. NO LEAKS FOUND. DUE TO PREV CTR SYSTEM HYD LEAK.

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