Service difficulty report · O-Ring · Doug MD11F

Difficulty date
May 31, 2019
Submitted
June 4, 2019
Operation
Air carrier
Aircraft
N615FE
Make and model
Doug MD11F
Aircraft serial
48767
Aircraft time
73,106 hours, 17,696 cycles
Part
O-Ring
Part number
271088
Condition
Leaking
Location
Hyd System
Stage of operation
CR
How discovered
V
Nature of condition
K, J
Precautionary procedure
O

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

What was found

HYD 3 ELEV OFF ALERT, HYD 3 QUANTITY 4.9 GAL. HYD 3 QUANTITY CONTINUED TO 3.6 GAL AND TURNED ENG PUMPS OFF TO CONSERVE FLUID. TURN BACK ON PUMPS FOR LANDING AND RECEIVED HYD 3 QTY LO. FINAL QTY 1.6 GAL. REPLACED DAMAGED 'O' RING AND RING REF AMM 27-43-40-4 . LEAK AND OPS CHECK GOOD. A/C OK FOR SERVICE.

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