SDR USAA950717

Service difficulty report · Floorbeam · Boeing 737401

Difficulty date: June 22, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N419US
Make and model: Boeing 737401
Aircraft serial: 23986
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 986.5
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-1 CHECK VISUAL INSPECTION, FOUND .75 INCH BY .75 INCH AREA OF CORROSION, STA 986.5 FLOORBEAM UPPER WEB RBL 4. REPAIRED PER SRM 53-60-51 FIG 201, DOUBLER INSTALLED PER SRM 53-60-51 FIG 201. CORROSION TASK NR C53-107-02. CORROSION LEVEL 2. (W)