SDR USAA960442

Service difficulty report · Floor Beam · Boeing 7374B7

Difficulty date: May 21, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N428US
Make and model: Boeing 7374B7
Aircraft serial: 24550
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corroded
Location: Bs 294.5
Part time: 19,542 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-4 CHECK VISUAL INSPECTION, FOUND SEVERAL 1 INCH BY 2 INCH CORRODED AREAS, BS 294.5 RBL 8, RBL 39, RBL 44 .5 INCH FLOOR BEAM. CUT OUT CORRODED AREA SPLICED IN FLOOR BEAM, COMPLETED REPAIR. REPAIRED PER SRM 53-10-51 FIG 205. CORROSION TASK NR C53-107-02, CORROSION LEVEL 2. (M)

More about the Boeing 737-4B7