SDR USAA950953

Service difficulty report · Floor Beam · Boeing 737401

Difficulty date: August 8, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N420US
Make and model: Boeing 737401
Aircraft serial: 23987
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corrosion
Location: Bs 967
Part time: 19,266 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-2 CHECK VISUAL INSPECTION, FOUND THREE CORRODED SPOTS (.5 INCH BY 2 INCHES EACH) BS 967, RBL 19, RBL 31, RBL 43 ON FLOOR BEAM. CUT OUT CORRODED SECTIONS ON AFT SIDE OF UPPER T-CAP, AND INSTALLED REPAIR ANGLES AND FILLERS. REPAIRED PER SRM 53-30-51 FIG 202. CORROSION TASK NR C53-107-02, CORROSION LEVEL 2. (M)