# SDR DALA2018092005675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2018
- Submitted: September 20, 2018
- Operation: Air carrier
- Aircraft: [N374NW](https://openairdocs.org/aircraft/N374NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1646
- Aircraft time: 50,678 hours, 23,334 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Tube
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018092005675

## Discrepancy

WHEN POWER CAME BACK AT TOP OF DESCENT A SHARP PUNGENT SMELL FILLED THE FLIGHT DECK AND REMAINED THRU SHUTDOWN. MAINTENANCE INSPECTED APU AND FOUND INTAKE ASSEMBLY WITH OILY RESIDUE. REMOVED RIGHT APU DOOR FOR CLEANING AND FOUND NR 1 ENGINE FORWARD SUMP PRESSURIZATION TUBE LEAKING OIL. REQUIRES ENGINE CHANGE. COMPLIED WITH NR 1 ENGINE CHANGE ON 7900-2001 AND 4916-2001. INSTALLED RIGHT APU DOOR. FOUND RIGHT PACK PLENUM DELAMINATED. REMOVED AND REPLACED SAME. LEAK AND OPERATIONS CHECK GOOD.

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