Service difficulty report · Bearing · Boeing 777222

Difficulty date
March 17, 2003
Submitted
June 10, 2003
Operation
Air carrier
Aircraft
N219UA
Make and model
Boeing 777222
Aircraft serial
30551
Aircraft time
8,824 hours, 1,171 cycles
Engine
Pwa PW4090
Part
Bearing
Part number
53B031
Part serial
CCWKAS7315
Condition
Spalled
Location
Nr 2 Engine
Part time
8,824 hours, 1,171 cycles
Stage of operation
CR
How discovered
O
Nature of condition
M, J
Precautionary procedure
E, A

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

What was found

AIRCRAFT RECEIVED NR 2 ENGINE HIGH OIL TEMP AND LOW OIL PRESSURE INDICATIONS. REMOVED AND REPLACED ENGINE 222142. SHOP TEARDOWN REVEALED FAILURE OF THE NR 1 BEARING. CAGE FRACTURED OVER AN ARC OF 180 DEGREES. OUTER RACE SEVERELY SPALLED 360 DEGREES ON THE AFT PORTION OF THE RACE.