# SDR CALA2018111602386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2018
- Submitted: November 17, 2018
- Operation: Air carrier
- Aircraft: N420UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 489
- Aircraft time: 79,230 hours, 30,600 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: AIRBUS
- Condition: Corroded
- Location: Fuselage
- 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/CALA2018111602386

## Discrepancy

AFT CARGO BAY STR 43L AT FR54-60 IS CORRODED IN MULTIPLE AREAS. REMOVED AND REPLACED STRINGER AT 43L FROM FR54-FR60 DUE TO CORROSION OUT OF LIMITS, REINSTALLED PRODUCTION SPLICE AT FR 54 AND CLIP AT FR 56 IAW SRM 51-72-11-911-001. RESTORED SURFACE PROTECTION IAW ER5100R01017 REV E.

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