What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT RIGHT PASSENGER / CREW DOOR CUTOUT LOWER SILL PLATE AT FR 68 AND S23R. REPLACED SILL PLATE PER SRM 51-72-11.
- Difficulty date
- November 22, 2025
- Submitted
- January 14, 2026
- Operation
- Air carrier
- Aircraft
- N409AA
- Make and model
- Airbus A321253NX
- Aircraft serial
- 9178
- Aircraft time
- 20,765 hours, 5,799 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Sill
- Part number
- D5348004320701
- 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.