What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON L4 DOOR LOWER SILL EXISTING REPAIR AT FR 68 AND S23L. MAINTENANCE REMOVED EXISTING REPAIR AND INSTALLED A NEW REPAIR ON LOWER SILL PER SRM 53-41-14-300-001.
- Difficulty date
- April 21, 2026
- Submitted
- April 23, 2026
- Operation
- Air carrier
- Aircraft
- N979UY
- Make and model
- Airbus A321231
- Aircraft serial
- 5763
- Aircraft time
- 39,373 hours, 16,394 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Sill
- 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.