Service difficulty report · Line · Doug MD11F

Difficulty date
August 21, 2019
Submitted
September 24, 2019
Operation
Air carrier
Aircraft
N621FE
Make and model
Doug MD11F
Aircraft serial
48792
Aircraft time
61,217 hours, 15,481 cycles
Part
Line
Part number
AJK7552565
Condition
Failed
Location
Hyd System
Stage of operation
LD
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

AFTER LANDING GOT "HYD 2 FAIL" PER CREW DEBRIEF LOSS OF FLUID OCCURED WHEN REVERSER WAS DEPLOYED PRESSURE REMAIND GOOD UNTIL ENGINE SHUT DOWN. BLOCK IN HYDRAULIC QTY INDICATING .6 GALLONS. FOUND HYDRAULIC STOW LINE AT THE HCU FAILED AT THE B NUT BRAZED FITTING. REPLACED NBR 2 ENG T/R STOW LINE MPN AJK7552-5658 IAW MM 20-10-01-2 . PERFORMED LEAK CK WHILE ACTUATING T/R AND LINE INSTANTLY BLOW APART. THE LINE AT THE HCU FAILED AT THE B NUT BRAZED FITTING. THIS IS THE SAME THING THAT HAPPENED @ PHX. COMPLIED WITH E..A. 1-7831-T0349005 REV NO. A P2 NO LEAKS NOTED.

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