SDR IPXA12M75335

Service difficulty report · O-Ring · Doug MD11F

Difficulty date: September 17, 2012
Submitted: September 17, 2012
Operation: Air carrier
Aircraft: N253UP
Make and model: Doug MD11F
Aircraft serial: 48439
Engine: Ge CF680C2D1F
System (JASC): 2910 · Hydraulic System, Main
Part: O-Ring
Part number: NAS1611111
Condition: Damaged
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

TWO HOURS OUT, LOSS OF NR 3 HYD SYS DOWN TO 4.7 GALS. LOWERED GEAR AND LOST REMAINING FLUID. EMERGENCY DECLARED. FOUND BLOWN O-RING RT MLG BOGIE TRIM CYLINDER. REPLACED, LEAK CHECKED GOOD IAW MM 29-00-00, TASK 790-801. SERVICE NR 3 RESERVOIR IAW MM 12-13-02 TASK 600-801.

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