SDR UPS02438302

Service difficulty report · Floorbeam · Boeing 747123

Difficulty date: April 23, 2002
Submitted: May 20, 2002
Operation: Air carrier
Aircraft: N676UP
Make and model: Boeing 747123
Aircraft serial: 20101
Aircraft time: 75,235 hours, 21,257 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
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

INSPECTION TYPE:C LT BS 340 UPPER DECK FLOORBEAM ONE EACH FASTENER HOLE CRACK REVEALED AT UPPER CHORD LAYER THROUGH THICKNESS. U/D BS 340 FLOORBEAM UPPER CHORD PARTIALLY REPLACED FROM LBL 35 TO LT MOST O/B IAW HAECO RS R-53-15-34801 AND DWG 141U0044 SHEET 2 FOR REPAIR PARTS INSTALLATION.