What was found
CORROSION ON CAP UPPER OF MAIN DECK FLOOR STRUCTURE AT BS 620, BETWEEN LBL 11.33 AMD RBL 11.33. REPAIRED IAW EO B747-5310-70011-A.
- Difficulty date
- August 4, 2018
- Submitted
- September 24, 2018
- Operation
- Air carrier
- Aircraft
- N583UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 25867
- Aircraft time
- 116,253 hours, 19,596 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 65B380523
- Condition
- Corroded
- Location
- Bs 620
- 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.