Service difficulty report · Csd Seal · Boeing 737322

Difficulty date
November 8, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N311UA
Make and model
Boeing 737322
Aircraft serial
23672
Engine
Ge CFM56*
Part
Csd Seal
Part number
3051023010
Condition
Leaking
Location
Engine
Stage of operation
CL
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

NUMBER ONE ENGINE OIL QUANTITY DROPPED TO 1.5 GALLONS IN FLIGHT. *S/D* THE GEARBOX CONSTANT SPEED DRIVE SEAL WAS FOUND LEAKING. REPLACED DRIVE SEAL, CHECKS OK.