Service difficulty report · Rub Strip · Boeing 777222

Difficulty date
February 13, 2011
Submitted
March 10, 2011
Operation
Air carrier
Aircraft
N210UA
Make and model
Boeing 777222
Aircraft serial
30216
Aircraft time
39,440 hours, 8,686 cycles
Engine
Pwa PW4077
Part
Rub Strip
Condition
Damaged
Location
Nr 1 Fan Case
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 ATTRITION LINER AT 6 O'CLOCK POSITION FILLER REPAIR, BREAKING LOOSE. APPROX 3"X 2". ON WALK AROUND FOUND NR 1 ENG RUB STRIP AT APPROX 6 O'CLOCK POSITION DAMAGED. DAMAGE IS WITHIN THE RUB STRIP INNER LAYER, MEASURING 3.5 INCHES WIDEST AREA. FAN RUB STRIP SEGMENT NOT REPLACEABLE ON WING. NR 1 ENGINE FAN BLADE CASE RUB STRIP REPAIRED PER MM.