Service difficulty report · Floorbeam · Boeing 737247

Difficulty date
September 24, 2005
Submitted
October 20, 2005
Operation
Air carrier
Aircraft
N375DL
Make and model
Boeing 737247
Aircraft serial
23602
Aircraft time
48,769 hours, 37,468 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 678
Stage of operation
IN
How discovered
9
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

FUSELAGE/OVERWING LONGITUDINAL FLOORBEAMS, CRACK REPAIR DURING ACCOMPLISHMENT OF INSPECTIONS OF THE LT/RT BL 24.8 OVERWING LONGITUDINAL FLOORBEAMS PER SI 3-056673-12AD, FATIGUE CRACKS WERE DETECTED IN THE WEB DOUBLERS AND BS 678 VERTICAL STIFFENER. CRACKED DOUBLERS AND STIFFENERS REPLACED AND INSTALLS 3-056673-3AD MODIFICATION PER ER/A 450791-14AD.