SDR IPXA10560657

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: May 17, 2010
Submitted: June 23, 2010
Operation: Air carrier
Aircraft: N454UP
Make and model: Boeing 75724APF
Aircraft serial: 25475
Aircraft time: 25,813 hours, 13,198 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1100
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:C4, TRANSVERSE FLOORBEAM UPPER CHORD FLANGE IS CORRODED AT BS 1100 LBL 25-45 WL 208. UPON INVESTIGATION FOUND 100 PERCENT MATERIAL LOSS OF BS 1100 FLOORBEAM, ACCOMPLISHED CONDUCTIVITY TEST OF BEAM, REMOVED FLOORBEAM, FABRICATED NEW REPLACEMENT BEAM. DRILLED AND LOCATED REPAIR PARTS. INSTALLED NEW FLOORBEAM BS1100, IAW ATS ER NR 10-2826.

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