Service difficulty report · Vane · Boeing 777222

Difficulty date
October 11, 2012
Submitted
October 12, 2012
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
47,749 hours, 5,766 cycles
Engine
Pwa PW4090
Engine time
44,674 hours, 5,586 cycles
Part
Vane
Condition
Cracked
Location
Nr 1 Engine
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

NR 1 ENGINE HAS FOD DAMAGE AT 9TH STAGE LPT VANES. FOUR VANES WITH CRACKS BETWEEN .125 INCH TO 500 INCH LONG IN AREAS B AND C. FOUR WITH PLATFORM MAT'L MISSING (AREA D), AND THREE WITH THE MAT'L MISSING LARGEST OF WHICH IS .500 LG X .375 DEEP PER AMM. NO CRACKS OR DAMAGE IN (AREA 'D') ALLOWED. REMOVED ENGINE.