Service difficulty report · Beam · Boeing 737347

Difficulty date
April 1, 2002
Submitted
April 3, 2002
Operation
Air carrier
Aircraft
N304WA
Make and model
Boeing 737347
Aircraft serial
23345
Aircraft time
46,426 hours, 31,846 cycles
Part
Beam
Part number
311A11112
Condition
Corroded
Location
Pylons
Stage of operation
IN
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 WAS FOUND ON THE CROWN BEAM LUG BORES ON THE #1 AND #2 PYLONS. THE BORES WERE OVERSIZED TO REMOVE THE CORROSION AND REPAIR BUSHINGS WERE INSTALLED. THE DAMAGE WAS FOUND AT HMV.