# SDR 9904939867

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N776NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47786
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Condition: Contaminated
- Location: Air Distribution
- Stage of operation: TO
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9904939867

## Discrepancy

AFTER TAKEOFF SMOKE ALARMS IN 3 LAVS SOUNDED AND FUMES WERE PRESENT IN THE CABIN.  AIRCRAFT RETURNED TO DEPARTURE AIRPORT.  MAINTENANCE RAN ENGINES AT TAKEOFF POWER WITH PACKS ON TO BURN OUT RESIDUAL OIL FROM A PREVIOUS APU OIL LEAK.  ACM AND WATER SEPARATORS WERE REPLACED.

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