SDR FDEA200909213342

Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date: September 21, 2009
Submitted: September 21, 2009
Operation: Air carrier
Aircraft: N907FD
Make and model: Boeing 7572B7
Aircraft serial: 27198
Aircraft time: 52,273 hours, 21,563 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MAIN DECK FLOORBEAM AT BS 377, LBL 3-20, UPPER CHORD HAS AREAS OF CORROSION. REMOVED CORROSION AT BS 377, LBL 3-20, IAW SRM 53-00-51. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL 3; ORIGINAL MATL- .125 INCH, AFTER REWORK- .090 INCH. REPAIR ACCOMPLISHED ON W/O 45411, N/R N00002. THIS IS A CAT. "A" MAJOR REPAIR.

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