SDR FDEA201401070052

Service difficulty report · Line · Doug MD11F

Difficulty date: January 7, 2014
Submitted: January 8, 2014
Operation: Air carrier
Aircraft: N604FE
Make and model: Doug MD11F
Aircraft serial: 48460
Aircraft time: 69,971 hours, 16,236 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Line
Condition: Cracked
Location: Hyd System
Stage of operation: CR
How discovered: O
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

ELEVATOR OFF THREE HOURS INTO FLIGHT. HYD QTY 4.6, SLOW LEAK NR 3 HYD SYS TO A HYD 3 OFF LEVEL 1 ALERT. HYD 3 FAIL ON GEAR EXTENSION, FOUND RT AILERON B-NUT LEAKING. TIGHTENED B-NUT AND LEAK CHECKED, NO LEAKS NOTED. OK FOR SERVICE. FOUND HYDRAULIC LINE ON AFT WALL IN CENTER WHEEL WELL CRACKED, REMOVED AND REPLACED HARD LINE IAW SMP 20-10-01-2, LEAK CHECKED GOOD.

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