# SDR CALA2021100101736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2021
- Submitted: October 1, 2021
- Operation: Air carrier
- Aircraft: [N489UA](https://openairdocs.org/aircraft/N489UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1702
- Aircraft time: 58,840 hours, 25,636 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Skin
- Part number: D5347040720200
- Condition: Corroded
- Location: Fr 63-64st41-42
- 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/CALA2021100101736

## Discrepancy

RH AIRFONE DOUBLER BETWEEN FR63-FR64 AND STRINGER 41R-42R FOUND CORROSION. UPON FURTHER EVALUATIONS, CORROSION WAS FOUND ON FASTENERS AT PERINATE REPAIR AND NO FURTHER ACTION REQUIRED. REPAIR DOUBLER LOCATED AT FR63-64, STRG40-43. FASTENERS WERE REPLACED IAW SRM 51-42-11. CORROSION WAS ALSO FOUND ON DOUBLER CAUSING THE DOUBLER TO BE REPLACED IAW ECRA 5341-01265 AND STC HOLDER COA 407081 REV. Y AND ASSOCIATED NAT DRAWINGS. THIS IS A FINAL INSPECTIONS ACCOMPLISHED BY V933558. ADD EMP:V933558

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