Service difficulty report · Keelbeam · Boeing 747251B

Difficulty date
October 10, 2015
Submitted
October 10, 2015
Operation
Air carrier
Aircraft
N795CK
Make and model
Boeing 747251B
Aircraft serial
23111
Aircraft time
97,975 hours, 15,343 cycles
Part
Keelbeam
Condition
Cracked
Location
Bs 1277-1296
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

KEELBEAM STRUCTURE BS 1277 TO 1296 LT SIDE ARE SEVERAL AREAS OF CORROSION AND A CRACK ON THE LOWER CHORD LBL 8.