Service difficulty report · Carbon Seal · Boeing 737322

Difficulty date
June 2, 2008
Submitted
September 22, 2008
Operation
Air carrier
Aircraft
N329UA
Make and model
Boeing 737322
Aircraft serial
24149
Aircraft time
57,863 hours, 31,765 cycles
Engine
Cfmint CFM563C1
Engine time
17,935 hours, 10,950 cycles
Part
Carbon Seal
Part number
3353112040
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
A

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

What was found

LOSS OF OIL NR 1 ENGINE CAUSED FLIGHT DIVERSION UNDER AMBER ALERT. OIL LEAK. REPLACED THE STARTER CARBON SEAL AND SEAL SEAT.