Service difficulty report · O-Ring · Doug MD88

Difficulty date
June 2, 2005
Submitted
June 8, 2005
Operation
Air carrier
Aircraft
N940DL
Make and model
Doug MD88
Aircraft serial
49813
Aircraft time
43,935 hours, 34,395 cycles
Part
O-Ring
Condition
Leaking
Location
Rt Mlg Ww
Stage of operation
AP
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

RIGHT HYD SYSTEM ENG DRIVEN PUMP INOP W/AUX PUMP OFF QTY 6. WHEN AUX PUMP ON QTY 3. WHEN ATTEMPTING TO PRESSURIZE SYS FOR GEAR EXTENSION PRESS WAS AT ZERO AND QTY WAS AT 3. REPLACED O-RING ON RIGHT SPOILER PRESSURE REDUCING VALVE. ALSO REPLACED AUX PUMP AND RIGHT EDP.

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