Service difficulty report · Engine · Boeing 777222

Difficulty date
December 14, 2011
Submitted
December 14, 2011
Operation
Air carrier
Aircraft
N223UA
Make and model
Boeing 777222
Aircraft serial
30224
Aircraft time
43,893 hours, 5,362 cycles
Engine
Pwa PW40903
Engine time
53,191 hours, 7,265 cycles
Part
Engine
Part number
PW4903
Part serial
222085
Condition
Cracked
Location
Nr 1 Engine
Part time
53,191 hours, 7,265 cycles
Stage of operation
IN
How discovered
B
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 1 ENG FAILED BORO-HOLES FOUND IN HPT STG1 BLADES BEYOND LIMITS.