Service difficulty report · Crease Beam · Boeing 757204

Difficulty date
March 21, 2013
Submitted
April 4, 2013
Operation
Air carrier
Aircraft
N927FD
Make and model
Boeing 757204
Aircraft serial
27220
Aircraft time
65,146 hours, 23,073 cycles
Part
Crease Beam
Part number
FX143N55207
Condition
Corroded
Location
Zone 200
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

RT INBD CREASE BEAM CORRODED BS 570-580. REMOVED CORROSION IAW SRM 51-10-02. REWORK FOUND TO BE OUT OF LIMITS IAW SRM 53-30-13, FIG 101 DET VIII. MATERIAL LOSS OF .011 FROM ORIGINAL MATERIAL THICKNESS OF .071. R & R CREASE BEAM STA 450 TO STA 630, RBL 62 IAW SRM 51-40-02 AND DWG 143N5520. MATERIAL LOSS REF SRM 53-30-13, FIG 101, DETAIL V111. THIS REPAIR IS CLASSIFIED AS A CATAGORY A MAJOR REPAIR.