Service difficulty report · Keelbeam · Boeing 747209B

Difficulty date
August 17, 2012
Submitted
August 18, 2012
Operation
Air carrier
Aircraft
N715CK
Make and model
Boeing 747209B
Aircraft serial
22447
Aircraft time
96,044 hours, 22,806 cycles
Part
Keelbeam
Condition
Corroded
Location
Fuselage
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

LOWER RIGHT KEEL BEAM CHORD ON TOP SIDE INSIDE OF BOX HAS EVIDENCE OF CORROSION FROM BS 1273 - 1280 RBL 8.