Service difficulty report · Floorbeam · Boeing 7572Y0

Difficulty date
June 8, 2010
Submitted
June 17, 2010
Operation
Air carrier
Aircraft
N930FD
Make and model
Boeing 7572Y0
Aircraft serial
25240
Aircraft time
57,415 hours, 17,967 cycles
Part
Floorbeam
Part number
BAC15183387075
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

STA 740, FLOORBEAM, RBL 46 TO RBL 60 UPPER FLANGE CORRODED. REMOVED CORROSION, EVALUATED FOUND OUT OF LIMITS, MAT THICKNESS 0.125", MAT BLENDED .018", REMAINING MAT .107", IAW SRM 53-00-51, FIG 101, PG 101, DETAIL III, REMOVED FLOORBEAM IAW SRM 51-40-02, LOCATED & DRILLED NEW FLOORBEAM IAW SRM 51-40-05, PROTECTIVE TREATMENT AND TOP COAT APPLIED IAW SRM 51-20-01, INSTALLED NEW FLOORBEAM IAW SRM 51-40-02. CATEGORY 'A' MAJOR REPAIR.

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