SDR USAA950909

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
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corroded
Location: Bs 312
Part time: 18,051 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 'MQ-4' VISUAL CHECK, INSPECTION FOUND A 2 INCH BY 2 INCH CORRODED AREA ON FLOOR BEAM, LOCATED AT BS 312, BETWEEN BL 38LT AND BL 38RT. CORROSION TASK NR C53-107-02, CORROSION LEVEL 2. INSTALLED NEW 'T' CAP AND REPAIR ANGLES, STRAPS AND FILTERS REPAIRED BY TRM 53-10-03 AND SRM 51-70-13. (M)