# SDR AALA20010554

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2001
- Submitted: April 19, 2001
- Operation: Air carrier
- Aircraft: N493AA
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49731
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20010554

## Discrepancy

ORD - FLT 538 - EN ROUTE LAS-ORD, WHEN WINDSHIELD ANTI-FOG TURNED ON DETECTED A BURNING SMELL.  TURNED OFF WINDSHIELD ANTI-FOG.  LANDED ORD WITHOUT FURTHER INCIDENT.  OPERATED ANTI-FOG APPROXIATELY THREE HOURS.  NO SMOKE OR ODOR NOTED.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

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