What was found
AFT CARGO DOOR CUTOUT LOWER SILL WEB CORRODED. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAWRM 53-60-15-1A-1. REMOVED AND REPLACED SILL WEB IAW B737-900 SRM 51-40-02-0G-0W= 1.25 O= .050 R= .040 L= 2.25 D= .010.
- Difficulty date
- August 9, 2025
- Submitted
- September 18, 2025
- Operation
- Air carrier
- Aircraft
- N462AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 42,027 hours, 13,087 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 146A812325
- 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.