Service difficulty report · Seal · Boeing 7572B7

Difficulty date
January 9, 2014
Submitted
January 10, 2014
Operation
Air carrier
Aircraft
N935UW
Make and model
Boeing 7572B7
Aircraft serial
27201
Engine
Rroyce RB211535E4
Part
Seal
Condition
Out Of Position
Location
Lt Engine
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

CLT FLT 706 EN-ROUTE MCO TO CLT. DURING CLIMB OUT, THE LT ENG N1 EICAS VIBRATION WAS HIGH, READING 2.8. ENG INDICATIONS WERE NORMAL. VIBRATION RETURNED BELOW 2.5 WITH THRUST LEVER RETARDED TO IDLE, ENG WAS NOT SHUT DOWN. THERE WAS NO VIBRATION FELT AT CRUISE POWER & NO AIRFRAME VIBRATION IN CLIMB OR CRUISE. UPON ARRIVAL INTO CLT, THE CREW REQUESTED EMERGENCY EQUIPMENT TO BE CALLED OUT. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. FOUND SEVERAL ANNULUS FILLER SEALS OUT OF POSITION. ENSURED ALL SEALS IN CORRECT POSITION. RAN ENG & HAD A MAX OF 1.4 UNITS N1 VIBRATION.

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