# SDR 2015FA0000633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2015
- Submitted: December 7, 2015
- Operation: General aviation
- Aircraft: N542TL
- Make and model: Diamon DA 42 NG
- Registry model: [Diamon DA 42 NG](https://openairdocs.org/model/diamond-aircraft-ind-da-42-ng) (OpenAirDocs)
- Aircraft serial: 42N155
- Aircraft time: 246 hours, 983 cycles
- Engine: Austro E4
- Engine time: 246 hours, 983 cycles
- Propeller: Mtprop MTV6R
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Baffle
- Part number: E4A51000401
- Condition: Cracked
- Location: Oil Sump
- Part time: 246 hours, 983 cycles
- Stage of operation: NR
- How discovered: B
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2015FA0000633

## Discrepancy

IT WAS FOUND THAT THIS ACFT’S LT ENGINE OIL SUMP BAFFLE IS CRACKED DURING A BORESCOPE INSPECTION THROUGH THE OIL DIPSTICK/SERVICE LOCATION.  ADDITIONAL INFORMATION WILL BE MADE AVAILABLE ONCE THE OIL SUMP BAFFLE IS ACCESSED AND PICTURES TAKEN. ATT: 245.7 ETT: 245.7 ESTIMATED CYCLES ON ENGINE: 982.8. THE REPAIR STATION PERFORMED THIS INSPECTION BECAUSE A SIMILAR ACFT IN THE FLEET EXPERIENCED LOW OIL PRESSURE DUE TO THE OIL SUMP BAFFLE CRACKING INTO PIECES.  1 OF THE SMALLER PIECES GOT LODGED IN THE OIL PICK UP TUBE CAUSING LOW OIL PRESSURE WITH A WARNING AND RESULTING ECU FAIL CODE BEING ACTIVATED. THE ENGINE MFG HAS BEEN MADE AWARE OF THE FAILURE.  NO RECOMMENDATIONS AT THIS TIME. OIL SUMP BAFFLE REPLACED WITH ENGINE MFG LATEST PART REVISION.

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