What was found
BS 312, LBL 11 - RBL 49; CABIN FLOORBEAM, UPPER CHORD HAS CORROSION. FAB'D & INSTALLED NEW FLOORBEAM UPPER CHORD SECTION & SPLICE ANGLES PER SRM 53-10-51, REP 5, DEFECT SIZE: 1 X 2 INCHES.
- Difficulty date
- June 7, 2007
- Submitted
- June 7, 2007
- Operation
- Air carrier
- Aircraft
- N420US
- Make and model
- Boeing 737401
- Aircraft serial
- 23987
- Aircraft time
- 50,436 hours, 50,436 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Bs 312
- 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.