Service difficulty report · Beam · Boeing 747481

Difficulty date
May 16, 2021
Submitted
May 18, 2021
Operation
Air carrier
Aircraft
N429MC
Make and model
Boeing 747481
Aircraft serial
24833
Aircraft time
107,390 hours, 16,170 cycles
Part
Beam
Part number
NPN
Part serial
NSN
Condition
Cracked
Location
Bs 1265 S5l
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

M/D STA 1265 S-5L BEAM WEB FOUND CRACK.(<P>M/D STA 1265 S-5L BEAM WEB REPLACED AND INSTALLED AS PER RI-53-00-14536 REV A.</P>)