# SDR CALA2018060531330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2018
- Submitted: June 5, 2018
- Operation: Air carrier
- Aircraft: N423UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 504
- Aircraft time: 77,261 hours, 29,980 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cover
- Part number: D53475565210
- Condition: Corroded
- Location: Aft Cargo
- 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/CALA2018060531330

## Discrepancy

AFT CARGO TORSION BOX COVER HAS SEVERAL AREAS OF CORROSION,  BLENDED OUT CORROSION, AND FOUND TO BE 100% MATERIAL LOSS. REMOVED AND REPLACED TORSION BOX COVER, RESTORED SURFACE PROTECTION IAW SRM 51-72-11-911-001.

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