Service difficulty report · Bushing · Boeing 7474H6

Difficulty date
June 1, 2010
Submitted
July 6, 2010
Operation
Air carrier
Aircraft
N741WA
Make and model
Boeing 7474H6
Aircraft serial
25702
Aircraft time
70,060 hours, 9,121 cycles
Engine
Pwa PW4056
Part
Bushing
Part number
311U4012142
Condition
Corroded
Location
Pylon
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

CORROSION - FOUND PYLON -4 DIAGONAL BRACE AFT BUSHING CORROSION. PER OHM 54-00-01 REV 54, REPLACED DIAGONAL BRACE AFT BUSHING OF PYLON-4.

More about the Boeing 747-4H6