SDR UPS04443423

Service difficulty report · Floorbeam · Boeing 747123

Difficulty date: October 18, 2004
Submitted: November 1, 2004
Operation: Air carrier
Aircraft: N675UP
Make and model: Boeing 747123
Aircraft serial: 20390
Aircraft time: 74,222 hours, 21,284 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Damaged
Location: Main Cabin
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

INSPECTION TYPE: SPV, FLOORBEAM 65B38093, STA 1860 LBL 98.58, SEAT TRACK ATTACH HOLES FOUND OVERSIZED. FWD HOLE 0.350, AFT HOLE 0.410. REMOVED AFT TRACK ATTACH ANGLE. REAMED BEAM HOLES TO 0.389 & 0.432 PER EO. FAB & INSTALLED FREEZE PLUGS PER SKETCH AND SRM 51-10-08. REAMED TRACK ATTACH FITTING O/B HOLES TO 0.341 & 0.400 PER EO. FAB & INSTALLED 1EA 69B04297-1 & 69B04576-7 PER EO C/W SK675-916.