SDR ASA0440194

Service difficulty report · Seal · Boeing 7374Q8

Difficulty date
October 28, 2004
Submitted
February 28, 2005
Operation
Air carrier
Aircraft
N774AS
Make and model
Boeing 7374Q8
Aircraft serial
25107
Engine
Cfmint CFM563C1
Part
Seal
Part number
1663M91G03
Condition
Out Of Position
Location
Nr 2 Engine
Part time
24,988 hours, 13,806 cycles
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

PDX - AFTER TAKEOFF F/A'S REPORTED FOG IN THE CABIN. REMOVED AND REPLACED THE NR 2 ENGINE IAW ASA T/C 48571015. REF ASA LOG PAGE AVAILABLE UPON REQUEST. THIS REPORT IS BEING FILED AS CLOSED AS CONFIRMED BY THE TEARDOWN REPORT FINDING THAT THE SMOKE EVENT WAS INDEED A RESULT OF THE FOLLOWING: NR 3 AFT AIR/OIL SEAL SEPARATED AND MOVED AFT AND CONTACTED THE HPS 1-2 SPOOL AND FORWARD SHAFT, FORWARD HALF OF SEAL REMAINED BOLTED TO FAN FRAME. THE ORIGINAL COPY OF THE TEARDOWN REPORT IS AVAILABLE AT THE RELIABILITY DEPARTMENT. (M)

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