Service difficulty report · Mount · Boeing 777222

Difficulty date
May 25, 2012
Submitted
June 5, 2012
Operation
Air carrier
Aircraft
N791UA
Make and model
Boeing 777222
Aircraft serial
26933
Aircraft time
64,545 hours, 9,374 cycles
Engine
Pwa PW40903
Part
Mount
Part number
310W30318
Part serial
018
Condition
Out Of Position
Location
Nr 1 Eng Aft
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 AFT MOUNT HAS MIGRATED LINK BEARING. MIGRATION APPROXIMATELY 0.125 INCH. REPLACED AFT LOWER ENGINE MOUNT PER AMM.