Service difficulty report · Stiffener · Boeing 737401

Difficulty date
January 10, 2011
Submitted
February 1, 2011
Operation
Air carrier
Aircraft
N423US
Make and model
Boeing 737401
Aircraft serial
23990
Aircraft time
59,025 hours, 39,930 cycles
Part
Stiffener
Part number
6545834256
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

CLT - Q3 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FLOOR STIFFENER BETWEEN BS 312 TO BS 328, RBL 11. REPLACED FLOOR STIFFENER BETWEEN BS 312 TO BS 328, RBL 11 IAW B737 SRM 51-10-02.