Service difficulty report · Beam · Boeing 737347

Difficulty date
January 18, 2002
Submitted
February 20, 2002
Operation
Air carrier
Aircraft
N3301
Make and model
Boeing 737347
Aircraft serial
23181
Aircraft time
47,042 hours, 32,624 cycles
Part
Beam
Part number
311A11112
Condition
Corroded
Location
Nr1 & 2 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 WAS FOUND ON THE CROWN BEAM LUG BORES OF THE NR 1 AND NR 2 PYLONS. THE BORES WERE OVERSIZED AND REPAIR BUSHINGS INSTALLED. THE DAMAGE WAS FOUND DURING INSPECTION AT HMV.