Service difficulty report · Line · Doug MD11F

Difficulty date
July 9, 2019
Submitted
July 11, 2019
Operation
Air carrier
Aircraft
N621FE
Make and model
Doug MD11F
Aircraft serial
48792
Aircraft time
60,917 hours, 15,388 cycles
Part
Line
Condition
Leaking
Location
Mlg Brake
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

APPROX. 40 MINUITES AFTER T/O GOT LEVEL 1 HYD. 3 ELEV. OFF ALERT. HYD SYS 3 QTY BEGAN DECREASING UNTIL HYD 3 FAIL ALERT. SYS 3 QTY FELL TO ZERO. UPON INSPECTION OF THE BRAKES. FOUND BOTH #5 AND #7 BRAKE SYSTEM 2 LINES WITH SEVERE LEAKS LOCATED UNDER THE SPRINGS. UNDER WRI 32-40/3049: REPLACED #2 HYD SYSTEM BRAKES LINES ON BOTH #5 AND #7 BRAKES. IAW M/M 32-43-00. LEAK CHECKS GOOD.

More about the Doug MD-11F