What was found
NR 1 PYLON PANEL 433FL AFT VERTICAL ATTACHMENT HAS FRETTING CORROSION.
- Difficulty date
- April 26, 2026
- Submitted
- May 11, 2026
- Operation
- Air carrier
- Aircraft
- N440UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25471
- Aircraft time
- 31,609 hours, 20,835 cycles
- System (JASC)
- 5714 · Wing, Center Box
- Part
- Panel
- Part number
- 313N50463
- Condition
- Corroded
- Location
- Zone 400
- 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.