SDR USAA070443

Service difficulty report · Floorbeam · Boeing 737401

Difficulty date
June 6, 2007
Submitted
June 6, 2007
Operation
Air carrier
Aircraft
N420US
Make and model
Boeing 737401
Aircraft serial
23987
Aircraft time
50,436 hours, 50,436 cycles
Part
Floorbeam
Part number
65C327558
Condition
Cracked
Location
Bs 578 Rbl 64
Stage of operation
IN
How discovered
9
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

STA 578, RBL 64 JUST BELOW CABIN FLOOR LEVEL NEAR S-18R HAS CRACK. REMOVED & REPLACED FLOOR SUPPORT PER SRM 51-10-02, BOEING DWG 6AA5C32755, DEFECT SIZE: 0.5 INCH.