SDR DL73S050625

Service difficulty report · Floorbeam · Boeing 737247

Difficulty date: September 19, 2005
Submitted: October 20, 2005
Operation: Air carrier
Aircraft: N373DL
Make and model: Boeing 737247
Aircraft serial: 23520
Aircraft time: 48,412 hours, 37,830 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 654541039
Condition: Cracked
Location: Bs 660
Stage of operation: IN
How discovered: 9
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

DURING INSPECTION PER SI 3-56673-12, AN EXISTING REPAIR/MODIFICATION WAS FOUND TO BE CRACKED IN THE UPPER FORWARD HOLE OF THE WEB DOUBLER, WEB, UPPER CHORD, AND MOD CHANNEL AT RBL 24.8 AND LBL 24.8. CRACKS WERE REMOVED, WEB DOUBLERS, CHORDS, AND MOD CHANNELS WERE REPLACED AND THE WEB WAS REPAIRED WITH A DOUBLER PER ER/A'S 450662-12AD AND 450663-14AD.