# SDR AALA971552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1767A
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48598
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer
- Part number: 1879421
- Condition: Contaminated
- Location: Acm Bay
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA971552

## Discrepancy

LHR - FLT 86 - EN ROUTE ORD-LHR - A BURNING SMELL WAS NOTICED THROUGHOUT THE AIRCRAFT.  SHUTDOWN NR ONE PACK AND SMELL SEEMED TO DISSIPATE.  DIRTY PACK SMELL NOTED ON DESCENT INTO LHR.  LANDED LHR WITHOUT INCIDENT.  INSPECTED NR 1 PACK AND CHECKED ALL RUBBER GAITORED COMPONENTS.  NO DEFECTS OR BURNING SMELLS NOTED.  REPLACED COALESCER BAG.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

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