Service difficulty report · Doubler · Boeing 737401

Difficulty date
February 9, 2011
Submitted
February 15, 2011
Operation
Air carrier
Aircraft
N423US
Make and model
Boeing 737401
Aircraft serial
23990
Aircraft time
59,025 hours, 29,930 cycles
Part
Doubler
Part number
65C312403
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 - MAJOR REPAIR - Q3 CHECK - LEVEL 2 EXFOLIATION CORROSION ON FRAME DOUBLER AT FR 794, S25R. INSTALLED NEW FRAME DOUBLER AT FR 794, S25R IAW B737 SRM 51-40-02.