What was found
CLT - CLT INSPECTION, FOUND BY EDDY CURRENT 1 INCH CRACK AT FLOOR BEAM AT STATION 520 EXTENDING .5 INCH OUTBOARD AND .5 INCH INBOARD OF LBL 45.5. REPAIR DOUBLER INSTALLED AS PER USAIR EA NR 40294. (M)
- Difficulty date
- November 13, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floor Beam
- Condition
- Cracked
- Location
- Bs 520
- Part time
- 19,854 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.