What was found
LH WING TO BODY STRUCTURE, T-CHORD AT STA 1020-1040, LBL 50 HAS 10 NUTPLATES CORRODED. DOT 28-09. INSTALLED T-CHORD AT STA 1020-1040, LBL 50 IAW B757-200, SRM 51-40-02. OSD: 1/31/2025
- Difficulty date
- January 11, 2025
- Submitted
- February 4, 2025
- Operation
- Air carrier
- Aircraft
- N401UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 23723
- Aircraft time
- 39,628 hours, 26,940 cycles
- System (JASC)
- 5350 · Aerodynamic Fairings
- Part
- Tee Fitting
- Part number
- 4071978
- Condition
- Corroded
- Location
- Zone 100
- 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.