Service difficulty report · Sill · Boeing 7374B7

Difficulty date
November 17, 2009
Submitted
January 11, 2010
Operation
Air carrier
Aircraft
N450UW
Make and model
Boeing 7374B7
Aircraft serial
24933
Aircraft time
51,561 hours, 34,160 cycles
Part
Sill
Part number
655287897
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

SAL - Q4 - MAJOR REPAIR - LEVEL 2 GALVANIC CORROSION ALONG L-2 DOOR SILL INNER CHORD BETWEEN BS 962 TO BS 986, WL 208.1. REPLACED L-2 DOOR SILL INNER CHORD BETWEEN BS 962 TO BS 986, WL 208.1 IAW B737 SRM 51-10-02.

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