SDR 96ZZZX3387

Service difficulty report · Seal Ring · Doug DC8*

Difficulty date
June 17, 1996
Submitted
March 26, 2000
Operation
General aviation
Filed by
DM4R133M
Com-Jet, LLC.
Make and model
Doug DC8*
Part
Seal Ring
Part number
15807D
Condition
Failed
Location
Hyd Gate Valve
Component
AV16A1173A
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TEN EACH NEW SEALS WERE RECEIVED FROM THE AUTHORIZED DISTRIBUTOR FOR THE MANUFACTURER. THIS SEAL IS USED IN SKYDROL HYDRAULIC FLUID, BUT THE NEW SEALS FAILED UPON INSTALLATION (WOULD NOT SEAL). THE SEALS SWELL WHEN INTRODUCED TO SKYDROL FLUID. SUBMITTER STATED SEAL IS MADE OF WRONG MATERIAL.

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