What was found
ATA 53-40, STA 2280 LBL 75 - 85 MAIN DECK FLOORBEAM FOUND CORROSION. MAIN DECK FLOORBEAM AT STA 2280 LBL 75 TO LBL 85 CORROSION DAMAGE REPAIRED AS PER EN 1144-18 REV ' - '.
- Difficulty date
- July 8, 2018
- Submitted
- July 16, 2018
- Operation
- Air carrier
- Aircraft
- N489MC
- Make and model
- Boeing 747412F
- Aircraft serial
- 26553
- Aircraft time
- 93,789 hours, 16,571 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Condition
- Corroded
- Location
- Fuselage
- 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.