SDR UPS06445938

Service difficulty report · Floorbeam · Boeing 747212B

Difficulty date: January 4, 2006
Submitted: January 13, 2006
Operation: Air carrier
Aircraft: N520UP
Make and model: Boeing 747212B
Aircraft serial: 21943
Aircraft time: 80,484 hours, 17,793 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Cracked
Location: Bs 380
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:C U/D BS 380 FLOORBEAM UPPER CHORD FWD HORIZONATAL FLANGE 1EA FLOOR PANEL ATT HOLE FOUND CRACKED, CRACK LENGTH 0.060". U/D BS 380 RBL 61" TO RBL 71" FLOORBEAM UPPER CHORD FWD HORIZONATAL FLANGE REPAIRED AS PER EO NR B747-5320-12407 FIG 3 PLAN C.

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