SDR EIA2004023

Service difficulty report · Floorbeam · Boeing 747212B

Difficulty date: April 21, 2004
Submitted: April 22, 2004
Operation: Air carrier
Aircraft: N486EV
Make and model: Boeing 747212B
Aircraft serial: 20888
Aircraft time: 80,788 hours, 19,186 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Damaged
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

STA 360 LT UPPER DECK FLOORBEAM, TO FRAME INTERFACE HAS (4) ELONGATED HOLES. OVERSIZED ELONGATED HOLES AT STA 360 LT UPPER DECK FLOORBEAMS TO FRAME INTERFACE TO ROUND CONDITION. HFEC & 1OX VISUAL INSP SHOWS HOLES TO BE CRACK AND CORROSION FREE. (SEE ECRA 486-53-025-2). REMOVED EXISTING FREEZE PLUGS AT HOLES NR 2 AND NR 4 & INSTALLED NEW FREEZE PLUGS. INSTALLED (1) REPAIR STRAP AT BS 340 RT FLOORBEAM TO FRAME INTERFACE PER ECRA486-53-025-2.

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