Service difficulty report · Seal · Boeing 7572G7

Difficulty date
March 11, 2011
Submitted
March 15, 2011
Operation
Air carrier
Aircraft
N909AW
Make and model
Boeing 7572G7
Aircraft serial
24522
Engine
Rroyce RB211535E4
Part
Seal
Part number
UL14587
Condition
Cracked
Location
Lt Engine
Part time
73,141 hours
Component
Compressor · Rroyce
Component part number
M01623AA
Stage of operation
TX
How discovered
O
Nature of condition
K, B
Precautionary procedure
K

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

What was found

PHX FLT 26 EN ROUTE OGG TO PHX. THE CREW NOTED AN ODOR THAT STARTED ON THE GROUND, AND CONTINUED THROUGH CLIMB. THE ODOR DISSIPATED AT CRUISE ALTITUDE. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LEFT ENGINE HAS OIL LEAKING FROM THE NR 1 BEARING CAVITY. MAINTENANCE REPLACED THE LEFT ENGINE. VENDOR SHOP FINDINGS: FOUND CRACKED/BROKEN LPC DISC REAR SEAL PANEL.

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