Service difficulty report · O-Ring · Doug MD11F

Difficulty date
December 20, 2011
Submitted
December 20, 2011
Operation
Air carrier
Aircraft
N601FE
Make and model
Doug MD11F
Aircraft serial
48401
Aircraft time
66,060 hours, 15,836 cycles
Part
O-Ring
Part number
NAS1612610
Condition
Failed
Location
Nr 2 Hyd Sys
Stage of operation
CR
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

HYD 2 OFF LEVEL 1 ALERT. RESERVOIR QUANTITY 2.7 GAL, RESERVOIR TEMP 74 DEG-C. RESERVOIR TEMP CONTINUED TO RISE WHEN RESERVOIR TEMP REACHED 96 DEG. DIVERTED AND LANDED. FOUND HYD LEAK FROM NR 2 HYD PRESSURE TRANSMITTER ON NR 2 HYD MANIFOLD. R & R O-RING IAW MM 29-12-46-2-0. SERVICED HYD FLUID TO PROPER LEVEL IAW MM12-13-02-3-0. LEAK CHECKED AND NO LEAKS NOTED IAW JRH. PERFORMED HSC R-T-S AND ALL PASSED IAW MM29-08-01-5-0. ACFT OK FOR SERVICE.

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