SDR USAA980522

Service difficulty report · Floorbeam · Boeing 737401

Difficulty date
October 21, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N406US
Make and model
Boeing 737401
Aircraft serial
23876
Part
Floorbeam
Part number
6545808179
Condition
Corroded
Location
Bs 294
Part time
27,716 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 - DURIGN Q-2 CHECK VISUAL INSPECTION, FOUND A 52 INCH ACROSS FLOORBEAM EACH SCREW HOLE 1 INCH BY 2 INCH AREA OF CORROSION STATION 294.5, LBL 7 RBL 45 FLOORBEAM UPPER CHORD. CORROSION TASK NR C 53-107-02. BURNISHED FLOORBEAM EXCEPT AT STATION LBL 7, REPAIRED DOUBLER ANGLES PER EA 62682 AND SRM 51-70-12. (M)