SDR FDEA201001140131

Service difficulty report · Crease Beam · Boeing 75728A

Difficulty date: January 14, 2010
Submitted: January 14, 2010
Operation: Air carrier
Aircraft: N914FD
Make and model: Boeing 75728A
Aircraft serial: 24367
Aircraft time: 72,313 hours, 20,940 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: 143N54101
Condition: Corroded
Location: Bs 680-700
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

CORROSION FOUND ON LOWER SURFACE OF MCD CREASE BEAM BETWEEN STA 680 TO STA 700 AT LBL 64. ORIG MAT THICKNESS .050 MAT LOSS .008 MAT REMAIN .042, FOUND AREA OUT OF LIMITS IAW SRM 53-00-51, FIG 01, DETAIL VI, PAG 103. R & R CHANNEL PN 143N5410-1, IAW SRM 51-40-02, AND 51-20-05. MAJOR REPAIR.

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