Service difficulty report · Floorbeam · Boeing 747222B

Difficulty date
April 10, 2015
Submitted
April 11, 2015
Operation
Air carrier
Aircraft
N793CK
Make and model
Boeing 747222B
Aircraft serial
23736
Aircraft time
79,604 hours, 10,959 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 1220
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 FLOORBEAM TEE AT BS 1220, RT SIDE, APPROXIMATELY RBL 95. HAS MULTIPLE HOLES WITH CRACKS 3 AT .5" EA.