# SDR CA190312002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- System (JASC): [2540 · Lavatories](https://openairdocs.org/jasc/2540)
- Part: Doubler
- Part number: S53671404202
- Condition: Corroded
- Location: Lavatory
- Part time: 16,004 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190312002

## Discrepancy

(CAN) LAVATORY PRESSURE BOX INNER DOUBLER CORRODED. AFTER INVESTIGATION FOUND INTERCOSTAL (P/N S53671402200) AND STRINGER #21 (P/N S53671407214020) BTW FR 40-42 CORRODED.

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