SDR 2008UALA02101

Service difficulty report · Floorbeam · Boeing 737322

Difficulty date: April 10, 2008
Submitted: April 14, 2008
Operation: Air carrier
Aircraft: N398UA
Make and model: Boeing 737322
Aircraft serial: 24673
Aircraft time: 49,965 hours, 34,324 cycles
Engine: Ge CFM56*
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Cracked
Location: Bs 665
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

CABIN LONGITUDINAL FLOORBEAM HAS A CRACK AT LIGHTENING HOLE JUST BELOW SEAT TRACK, LBL 25" BS 665. MAJOR REPAIR ACCOMPLISHED: STOP DRILLED THE CRACKS AND VERIFIED CRACK TERMINATION WITH HFEC. INSTALLED REPAIR CHANNELS AT LBL & RBL 24.5.