Service difficulty report · Floorbeam · Boeing 747123

Difficulty date
June 15, 2005
Submitted
July 6, 2005
Operation
Air carrier
Aircraft
N672UP
Make and model
Boeing 747123
Aircraft serial
20324
Aircraft time
73,825 hours, 21,397 cycles
Part
Floorbeam
Condition
Cracked
Location
Aft Cargo
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

AFT CARGO BAY BS 1800 BL 0 AND FLOORBEAM UPPER FLANGE CRACKED. CRACK LENGTH 2.5 IN. AFT CARGO BAY BS 1800 LBL 22 TO RBL 40 FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 51-40-04 FIG 2.