# SDR IPXA11B70264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2011
- Submitted: November 11, 2011
- Operation: Air carrier
- Aircraft: [N576UP](https://openairdocs.org/aircraft/N576UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35665
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Condition: Odor
- Location: Nr 3 Pack
- Stage of operation: LD
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA11B70264

## Discrepancy

ON TOUCHDOWN, RECEIVED A CREW REST SMOKE INDICATION.  SMELLED SMOKE IN COCKPIT. COULD NOT DETERMINE SOURCE OF SMOKE.  ENGINE AND WING ANTI-ICE WHERE BOTH OFF.  INSTALLED NR 3 PACK WATER SEPARATOR COALESCER BAG IAW AMM 21-51-05-2 REV 72.

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