# SDR A6WA2019111146992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2019
- Submitted: November 11, 2019
- Operation: Air carrier
- Aircraft: [N471ZW](https://openairdocs.org/aircraft/N471ZW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7457
- Aircraft time: 34,959 hours, 36,783 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Doubler
- Part number: 601R3113345
- Condition: Corroded
- Location: Bs 559-574
- 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/A6WA2019111146992

## Discrepancy

UPON REMOVAL OF FLOOR SILL FS559+80 TO FS 574 FOUND LOWER DOUBLER CORRODED. REPLACED  AIRCRAFT REMOVED FROM SERVICE  REPLACED LOWER DOUBLER IAW CRJ 200 SRM  53-51-43

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