What was found
STA900. SIGNS OF EXFOLIATION ON LOWER BSTA 900 T-CHORD BETWEEN LEFT BUTTOCK LINE10"L AND 10"R. INSTALLED 01 EA CHORD AND 08 EA REPAIRS PARTS IAW B757-200 SRM 51-70-12-0G-0 STEPS 8 TO 10 AND SRM 51-40-02. REVIEWED
- Difficulty date
- April 2, 2025
- Submitted
- April 18, 2025
- Operation
- Air carrier
- Aircraft
- N443UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 27388
- Aircraft time
- 30,937 hours, 20,215 cycles
- System (JASC)
- 5315 · Fuselage Main, Floor Beam
- Part
- Floorbeam
- Part number
- 149N7125
- Condition
- Corroded
- Location
- Zone
- 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.