What was found
FWD PIT DOOR CUTOUT, LOWER SILL CORRODED ON UPPER SURFACE. CORROSION FOUND TO BE 100% OUT OF LIMITS. REMOVED AND REPLACED LOWER MAIN SILL WEB PN 143A8122- 10 IAW BOEING DWG 143A8122 AND SRM 51-40-02-0G-0.
- Difficulty date
- October 6, 2025
- Submitted
- October 8, 2025
- Operation
- Air carrier
- Aircraft
- N75435
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33529
- Aircraft time
- 51,181 hours, 18,376 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 654A000358
- 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.