Service difficulty report · Stiffener · Boeing 7374B7

Difficulty date
September 22, 2009
Submitted
November 10, 2009
Operation
Air carrier
Aircraft
N455UW
Make and model
Boeing 7374B7
Aircraft serial
24997
Aircraft time
50,559 hours, 33,599 cycles
Part
Stiffener
Part number
654587514
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 - Q2 - MAJOR REPAIR - LEVEL 2 GALVANIC CORROSION ON ZEE STIFFENER AT LOWER SILL OF FORWARD SERVICE DOOR AT BS 322, RBL 60. REPLACED ZEE STIFFENER AT LOWER SILL OF FORWARD SERVICE DOOR AT BS 322, RBL 60. REPLACED IAW B737 SRM 51-10-02 & 51-40-02.

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