Service difficulty report · Guide Vane · Boeing 777222

Difficulty date
November 29, 2010
Submitted
November 29, 2010
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
56,547 hours, 8,251 cycles
Engine
Pwa PW40903
Engine time
36,143 hours, 5,174 cycles
Part
Guide Vane
Part number
PW4093
Part serial
222154
Condition
Damaged
Location
Nr 2 Engine
Part time
36,143 hours, 5,174 cycles
Stage of operation
IN
How discovered
9
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 2 ENG SER NR 222154 FOUND 13 EACH T1 GUIDE VANES WITH BURN THROUGH AND CRACKING DISTRESS ON PLATFORMS ONE GUIDE VANE HAS CRACK GREATER THAN .50 INCH IN LENGTH INTO RADIUS OTHER GUIDE VANE HAVE BURN THROUGH OF GREATER THAN .20 SQUARE INCH. ENG CHANGE REQUIRED.