Service difficulty report · Motor · Doug MD11

Difficulty date
December 15, 2003
Submitted
December 16, 2003
Operation
Air carrier
Aircraft
N596FE
Make and model
Doug MD11
Aircraft serial
48554
Aircraft time
41,152 hours, 6,226 cycles
Part
Motor
Part number
418575
Part serial
MX537087B
Condition
Leaking
Location
Horizontal Stab
Part time
9,552 hours, 2,232 cycles
Stage of operation
CL
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

DURING CLIMB, NEAR TOP OF CLIMB FL360, VMC SMOOTH AIR LEVEL 1 HYD ELEV OFF LVL 2 (HYD 3 QTY LOW) & LVL 2 (HYD 3 FAIL). ALERTS APPEARED COMPLIED WITH RED TABS FOR MANUAL GEAR EXT. ON ARRIVAL A/C HAS HYD OIL LEAK FROM STAB ACCESS COMPT, FOUND CRACK NR 2 TRIM MOTOR HOUSING. REMOVED AND REPLACED NR 2 TRIM MOTOR ASSY, QTY NR 3 SYS IND WAS 0 GAL, PERFORMED HYD FILTER INSPECTION, NO METAL FOUND ON THE GROUND. REMOVED AND REPLACED NR 3 SYS ALL HYD FILTER. REMOVED AND REPLACED LT ENG DRIVE PUMP.

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