# SDR QXEA0001158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2000
- Submitted: May 8, 2000
- Operation: Air carrier
- Aircraft: N480AU
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11229
- Aircraft time: 30,467 hours, 37,177 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Coalescer Bag
- Part number: 18084932
- Condition: Contaminated
- Location: Air/Con Bay
- Component: Cooling Turbine, Alidsg
- Component part number: 2046002
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA0001158

## Discrepancy

SMF - CLIMBING THOUGH 2000 FEET, NOTICED OILY SMELL EMANATING FROM BLEED AIR SYSTEM.  SHORTLY AFTER, BOTH NR 1 AND NR 2 LAV SMOKE DETECTORS BEGAN SOUNDING.  RETURNED TO FIELD.  REMOVED AND REPLACED NR 1 AND NR 2 COOLING TURBINE WATER SOCKS.  PERFORMED BLEED AIR DUCTING PURGE.  NO FURTHER ODOR NOTED.  AIRCRAFT RETURNED TO SERVICE.

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