What was found
AFT MAIN CABIN STA 1681, R4 DOOR FLOOR SUPPORT HAS CORROSION. REMOVED AND REPLACED THE FLOOR SUPPORT 146N5746UA AT R4 DOOR BS 1660 TO 1681 IAW SRM 51-40-02-0G-0.
- Difficulty date
- September 4, 2025
- Submitted
- September 5, 2025
- Operation
- Air carrier
- Aircraft
- N57868
- Make and model
- Boeing 75733N
- Aircraft serial
- 32590
- Aircraft time
- 68,402 hours, 21,046 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 146N5246U6
- Condition
- Corroded
- Location
- Zone 200
- 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.