SDR USAA950912

Service difficulty report · Floor Beam · Boeing 737401

Difficulty date
July 30, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N404US
Make and model
Boeing 737401
Aircraft serial
23886
Part
Floor Beam
Condition
Cracked
Location
Bs 520
Part time
19,507 hours
Stage of operation
IN
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- DURING A Q-4 EDDY CURRENT CHECK, INSPECTION FOUND A 1.9 INCH CRACK ON STA 520 EXTENDING 1 INCH INBOARD AND .9 INCH OUTBOARD OF RBL 45.5 OF FLOOR BEAM. INSTALLED REPAIR DOUBLER AND RADIUS FILLERS AND NEW VERTICAL ANGLE PER EA 39548. (M)