# SDR 29GA2023011300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2023
- Submitted: January 19, 2023
- Operation: Air carrier
- Aircraft: N937AZ
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 736
- Engine: Pwc PW127F
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Part number: M832481
- Condition: Damaged
- Location: Nr 2 Eng Oil
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2023011300001

## Discrepancy

FLIGHT 3945,  NR 2 ENGINE OIL PRESSURE DROPPED OFF PRECAUTIONARY ENGINE SHUTDOWN.  PERFORMED LOSS OF OIL PRESSURE CHECK IAW  05-50-00, FOUND PVM LEAKING.   REMOVED AND REPLACED TRANSFER TUBE O-RING OPERATIONAL CHECK GOOD.  ORIG SUBMISSION DATE: 1/13/2023

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