Service difficulty report · Doubler · Boeing 737401

Difficulty date
August 2, 2010
Submitted
August 19, 2010
Operation
Air carrier
Aircraft
N409US
Make and model
Boeing 737401
Aircraft serial
23879
Aircraft time
60,218 hours, 40,641 cycles
Part
Doubler
Part number
6545776
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 - Q1 - MAJOR REPAIR - LEVEL 2 EXFOLIATION CORROSION ON FUSELAGE SKIN INTERNAL DOUBLER BETWEEN BS 792 TO BS 800, BL 0. REPLACED FUSELAGE SKIN INTERNAL DOUBLER BETWEEN BS 792 TO BS 800, BL 0 IAW B737 SRM 53-00-01 & 53-60-01.