# SDR CALA2021041900496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2021
- Submitted: April 19, 2021
- Operation: Air carrier
- Aircraft: [N853UA](https://openairdocs.org/aircraft/N853UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1688
- Aircraft time: 59,537 hours, 26,034 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Condition: Corroded
- Location: Frm 28, S42-43r
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021041900496

## Discrepancy

SHEAR TIE HAS CORROSION AT FR28 BETWEEN STR-42-43R PER NR 929256 2 / 38562.  RMVD AND RPLD CLEAT SHEAR TIE AT FR28 BETWEEN STRG 42R TO 43R IA W SRM 53-21-12-11-A AND SRM 51-42-11-001 PARA E AND F PG 6-16. TREATED, PRIMED AND TOP COAT AREAS IAW SFRM 51-23-11-001 PARA B ( 1),(2),(3) PG.7.

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