SDR USAA990590

Service difficulty report · Floorbeam · Boeing 737401

Difficulty date
June 21, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N404US
Make and model
Boeing 737401
Aircraft serial
23886
Part
Floorbeam
Condition
Corrosion
Location
Bs 986.5
Part time
30,660 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 Q-5 CHECK VISUAL INSPECTION, FOUND A 2 INCH CRACK BY 72 INCH AREA OF SURFACE CORROSION UPPER T-CAP OF FLOORBEAM AT STATION 986.5. CORROSION LEVEL 1. CORROSION TASK NR C53-107-02. INSTALLED NEW FABRICATED T-CAP PER TR 53-60-01. (M)