Service difficulty report · Floorbeam · Boeing 747230F

Difficulty date
January 22, 2009
Submitted
February 18, 2009
Operation
Air carrier
Aircraft
N490EV
Make and model
Boeing 747230F
Aircraft serial
24138
Aircraft time
85,484 hours, 15,044 cycles
Part
Floorbeam
Condition
Cracked
Location
Fuselage
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

DURING INCORPORATION OF SB 747-53-2439, ONE FLOORBEAM PANEL ATTACH HOLE WAS FOUND CRACKED AND NUT PLATE WAS FOUND DAMAGED. FILLED EXISTING MISDRILLED NUT PLATE IN UPPER CHORD, PERFORM HFEC INSP. FABRICATE TWO REPAIR STRAPS AND ONE REPAIR FILLER, HEAT TREAT AND CADMIUM PLATE PER ECRA 490-51-021-1.