SDR EIA2004025

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 340 LT UPPER DECT FLOORBEAM TO FRAME INTERFACE HAS ELONGATED HOLES. OVERSIZED ELONGATED HOLES AT BS 340 LT FLOORBEAM TO FRAME INTERFACE TO ROUND CONDITION PER ECRA 486-53-25-2, PART B, STEP 2. HFEC & 10X VISUAL INSP SHOWS HOLES ARE CRACK AND CORROSION FREE. (ECRA 486-53-025-2,PART B, STEPS 2-3)

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