Service difficulty report · Sill · Boeing 7572B7

Difficulty date
February 20, 2009
Submitted
March 24, 2009
Operation
Air carrier
Aircraft
N939UW
Make and model
Boeing 7572B7
Aircraft serial
27303
Aircraft time
48,365 hours, 19,926 cycles
Part
Sill
Part number
143N832853
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

MCN - MAJOR REPAIR - C1 CHECK - CORROSION ON L2 DOOR SILL CHORD AT BS 600 - BS 740, LBL 65, WL 208.1 REPLACED L2 DOOR SILL CHORD AT BS 600 - BS 740, LBL 65, WL 208.1 IAW B757 SRM 51-40-02.

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