Service difficulty report · Floorbeam · Boeing 737401

Difficulty date
February 4, 2011
Submitted
February 15, 2011
Operation
Air carrier
Aircraft
N404US
Make and model
Boeing 737401
Aircraft serial
23886
Aircraft time
60,100 hours, 40,750 cycles
Part
Floorbeam
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 - Q2 CHECK - LEVEL 2 WIDE SPREAD EXFOLIATION CORROSION ON FLOORBEAM T-CAP AT BS 344, LBL 12 - RBL 10. REPAIRED FLOORBEAM T-CAP AT BS 344, LBL 12 - RBL 10 IAW B737 SRM 53-10-51 REPAIR 5.