Service difficulty report · Blade · Boeing 777222

Difficulty date
January 30, 2013
Submitted
February 1, 2013
Operation
Air carrier
Aircraft
N226UA
Make and model
Boeing 777222
Aircraft serial
30226
Aircraft time
46,487 hours, 5,628 cycles
Engine
Pwa PW40903
Engine time
61,444 hours, 8,796 cycles
Part
Blade
Condition
Damaged
Location
Turbine Section
Stage of operation
IN
How discovered
V
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

REPLACED NR 1 ENGINE DUE TO 6 HPT STAGE 1 BLADES WITH BURN THROUGH INTO THE INTERNAL CAVITY IN AREA C LESS THAN 0.125 SQ INCH REF MM 72-00-00 PG 698.73. REPLACED NR 1 ENGINE.