Service difficulty report · Crease Beam · Boeing 7572B7

Difficulty date
November 25, 2009
Submitted
December 1, 2009
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
52,338 hours, 21,726 cycles
Part
Crease Beam
Part number
BAC151555318
Condition
Corroded
Location
Zone 100
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

MCD FLOOR BOARD SUPPORT CREASE IS CORRODED APPROX BETWEEN STA 1260-1270 AT RBL 65. REMOVED CORROSION IAW 51-10-02 MAT THICKNESS 0.080. AFTER REWORK 0.040 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-13 FIG 101. VARIFIED MATERIAL AS BAC 1515-5537075T6 IAW SRM 53-60-13. LOCATED AND DRILLED IAW SRM 51-60-05. TREATED AND PRIMED IAW SRM 51-20-01. PAINTED WHITE IAW SEM 51-21-04. INSTALLED NEW CREASE BEAM IAW SRM 51-40-02, MAJOR REPAIR.

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