SDR USAA960328

Service difficulty report · Floor Beam · Boeing 737401

Difficulty date
March 20, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N425US
Make and model
Boeing 737401
Aircraft serial
23992
Part
Floor Beam
Condition
Corroded
Location
Bs 312
Part time
19,862 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

INT - DURING 'Q-1' CHECK VISUAL INSPECTION, FOUND 1 INCH BY 2 INCH CORRODED AREA, BS 312, FLOOR BEAM BL ZERO. CUT OUT CORRODED SECTION OF UPPER CHORD FROM LBL 38 TO RBL 25 AND SPLICED IN NEW CHORD SECTION. REPAIRED PER T.R. 53-10-03. CORROSION TASK NR C53-107-02. CORROSION LEVEL 2. (X)