Service difficulty report · Bearing · Boeing 747422

Difficulty date
October 8, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Engine
Pwa PW4056
Part
Bearing
Part number
50G631
Condition
Failed
Location
Nr 2 Engine Gb
Stage of operation
CR
Nature of condition
X
Precautionary procedure
A

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

What was found

NR 2 ENGINE FLAME-OUT. *S/D* ANGLE GEARBOX AB-1 BEARING FAILED. ENGINE REPLACED.