# SDR DALA2025010300063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2025
- Submitted: January 3, 2025
- Operation: Air carrier
- Aircraft: [N375DN](https://openairdocs.org/aircraft/N375DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8812
- Aircraft time: 18,214 hours, 7,821 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025010300063

## Discrepancy

AIRCRAFT 3075, CORROSION LOWER SILL LOCATED BTW FR 67 TO FR 68 AT LEVEL STR 23R PASSENGER CABIN. CORRECTIVE ACTION: PERFORMED PERMANENT REPAIR ON LOWER SILL LOCATED BTW FR 67 TO FR 68 AT LEVEL STR 23R PASSENGER CABIN AS PER A321 SRM 53-41-14-300-001. FIGURE 001 (SHEET 3 OF 11). REPAIR PRINCIPLE 5. DETAIL H. MEASURES OF CORROSION P1: L= 0.890 INCH W= 0.497 INCH D=0.035 INCH P2: L= 0.505 INCH W=0.328 INCH D= 0.029 INCH. (LP 0741397)

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