SDR FDEA201011184418

Service difficulty report · Floorbeam · Boeing 7572G5

Difficulty date: November 18, 2010
Submitted: November 19, 2010
Operation: Air carrier
Aircraft: N943FD
Make and model: Boeing 7572G5
Aircraft serial: 23929
Aircraft time: 64,335 hours, 22,005 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: BAC1518338
Condition: Corroded
Location: Bs 1640
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

MAIN CARGO COMPARTMENT, FLOORBEAM UPPER CHORD HAS CORROSION AT BS 1640. REMOVED CORROSION IAW SRM 51-10-02. BLENDED AREAS; L=5.0",W=2.0",D=.035", ORIG. MATL. .125", REMAINING .090", OUT OF LIMITS IAW SRM 53-00-51, FIG.101, DETAIL 3. R & R BS 1640 FLOORBEAM FROM LBL 58.22 TO RBL 58.22, IAW SRM 51-40-02. THIS IS A CAT. "A" MAJOR REPAIR. (FLOORBEAM FABBED IAW DWG 146N5089/146N5109).

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