What was found
EVIDENCE OF CORROSION ON UPPER DECK FLOOR BEAM UPPER CHORD STA 740 APROX RBL 5
- Difficulty date
- February 27, 2023
- Submitted
- February 28, 2023
- Operation
- Air carrier
- Aircraft
- N744CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26353
- Aircraft time
- 113,194 hours, 20,875 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- 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.