Service difficulty report · Seal · Doug DC1030

Difficulty date
October 2, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N1855U
Make and model
Doug DC1030
Aircraft serial
47837
Engine
Ge CF650C2
Part
Seal
Condition
Failed
Location
Nr 3 Csd
Stage of operation
CL
Nature of condition
J, K
Precautionary procedure
A

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

What was found

FROM OGG TO LAX, CSD NR 3 OIL LOW PSI LIGHT CAME ON AT LIFT-OFF. CSD SHUT DOWN AND DIVERTED TO HNL. *S/D* CONSTANT SPEED DRIVE (CSD) UNIT FAILED BECAUSE OF LOW OIL. THE LEAK WAS CAUSED BY A BAD OUTPUT SEAL AND BAD INPUT SEAL. BOTH SEALS WERE REPLACED.

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