Service difficulty report · Guide · Boeing 777222

Difficulty date
October 6, 2010
Submitted
October 8, 2010
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
52,660 hours, 7,506 cycles
Engine
Pwa PW4090
Engine time
52,865 hours, 8,007 cycles
Part
Guide
Condition
Damaged
Location
T1 Nozzle
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

NR1 ENGINE IS UNSERVICEABLE DUE TO LIFTING OD PLATFORM AND BURN THROUGH OF T1 NOZZLE GUIDE VANE AT 7 O'CLOCK POSITION. FOUND 1 EA VANE AT 7:00 POSITION WITH BURN THROUGH, CRACK AND LIFTED OUTER PLATFORM AT T/E INTO THE AIRFOIL. REQUIRES ENG CHANGE. INSTALLED.