SDR USAA960398

Service difficulty report · Floor Beam · Boeing 7374B7

Difficulty date: April 19, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N427US
Make and model: Boeing 7374B7
Aircraft serial: 24549
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corrosion
Location: Bs 344
Part time: 19,391 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-3' CHECK VISUAL INSPECTION, FOUND 1 INCH DIAMETER AREA OF CORROSION, STA 344 FLOOR BEAM UPPER T-CHORD, RBL 9 TO LBL 18, WL 208, AT CLIP NUT HOLES. REPAIRED BEAM CHORD CUT OUT FROM LBL 33 TO RBL 19 AND SPLICED IN NEW CHORD SECTION PER SRM 53-10-51. CORROSION TASK NR: C53-107-02. CORROSION LEVEL 2. (X)

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