What was found
UPON INSTALLING INTERCOSTAL FOUND CORROSION ON FLOOR BEAM AT STA 312, LBL-23. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS, REPAIRED FLOOR BEAM IAW B737-800 SRM 53-10-51-2R-15 W:2" O:.125 R:.078 L:2"D:.047.
- Difficulty date
- September 29, 2026
- Submitted
- October 20, 2026
- Operation
- Air carrier
- Aircraft
- N564AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35103
- Aircraft time
- 64,427 hours, 19,256 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 141A550323
- Condition
- Corroded
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.