Service difficulty report · Floor Support · Boeing 7572B7

Difficulty date
March 29, 2008
Submitted
March 31, 2008
Operation
Air carrier
Aircraft
N906FD
Make and model
Boeing 7572B7
Aircraft serial
27148
Aircraft time
46,574 hours, 19,051 cycles
Part
Floor Support
Part number
140N205420
Condition
Corroded
Location
Fuselage
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 SUPPORT HAS CORROSION, STA 1660-1681, RBL1, WL 208. REMOVED CORROSION, L= 2", W= .75", D= .010", ORIGINAL MATERIAL THICKNESS .050" FOUND TO BE OUT OF SRM 53-00-51, FIG 101, DETAIL III LIMITS. REMOVED FLOOR SUPPORT CHANNEL IAW SRM 51-40-02. FABRICATED REPLACEMENT CHANNEL ON MAE TRAVELER NR T8/732409, FROM 7075-0 .050B, HEAT TREATED TO T6. INSTALLED REPLACEMENT CHANNEL IAW SRM 51-40-02. THIS IS A CATEGORY "A", MINOR REPAIR WITH NO RECURRING INSPECTIONS.

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