# SDR CA141103030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Aircraft time: 5,377 hours
- Engine: Pwc PW150A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Transfer Tube
- Part number: 304826903
- Condition: Worn
- Location: Engine Oil Tank
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA141103030

## Discrepancy

(CAN) WHILE INVESTIGATING NR 1 ENGINE OIL LEAK, IT WAS NOTED THAT THE OIL PUMP DISCHARGE LOWER TRANSFER TUBE HAD WORN A GROOVE IN THE ENGINE CASE, WORN AREA IS MAX .005" DEEP BY .150" AND 1.750" IN CIRCUMFERENCE.  O-RING, PN AS3209-126 WAS FOUND TWISTED AND DAMAGED.  BECAUSE MFG DID NOT HAVE A PUBLISHED REPAIR FOR THE ENGINE OIL CASE PORT THE NR 1 ENGINE WAS REPLACED IAW TC DH4-71-00-00-FN-801-LH.

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