# SDR CALA2021060200782

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2021
- Submitted: June 2, 2021
- Operation: Air carrier
- Aircraft: [N851UA](https://openairdocs.org/aircraft/N851UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1664
- Aircraft time: 60,140 hours, 26,297 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Structure
- Condition: Corroded
- Location: Frames 41-42
- 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/CALA2021060200782

## Discrepancy

A3NB-57-3-6007. CORROSION ON CENTER WING BOX, UPPER SKIN UPPER S URFACE BETWEEN FR41-FR42 APPRX Y1550.(UNDER APU FUEL FEEDLINE). RECEIVED FINAL EC/RA #5310-07880 VERIFIED ALL STEPS COMPLIED WIT H AND DEVIATIONS NOTED LP CREATED FOR ACCOMPLISHMENT OF ESFR ENTRY.  SFR 1025561.

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