# Incident 19970801027349I: Aerosp ATR72212, Lafayette, IN, August 1, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 1, 1997, 10:05 local time
- Place: Lafayette, IN
- Airport: Purdue University
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: SIMA
- Location: 40.4123° N, 86.9369° W: Placed by OpenAirDocs at PURDUE UNIVERSITY (LAF), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4123&lon=-86.9369&mi=10
- Aircraft: N399AT, a cancelled registration (https://openairdocs.org/deregistered/N399AT-2013-11-06) (OpenAirDocs)
- Registry model: Aerospatiale ATR 72-212 (registry code 8680945, https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Registry engine: Pratt & Whitney 127 (registry code 52132, https://openairdocs.org/engine/pratt-whitney-127) (OpenAirDocs)
- Reported make and model: AEROSP ATR72212
- People aboard: 2
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970801027349I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

NARRATIVE: ON AUG 1, 1997 FLIGHT 4070 WAS ENROUTE FROM IND TO ORD. WHEN THE CREW DETECTED A CHLORINE SMELL AND SMOKE IN THE COCKPIT. THE FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO LAFAYETTE, IN AIRPORT. THE A/C LANDED WITH-OUT INCIDENT. MAINTENANCE GROUND RAN A/C AND INSPECTED AVIONICS RACKS AND FOUND NO DEFECTS. COULD NOT DUPLICATE CHLORINE SMELL BUT DID DETECT ELECTRICAL SMOKE AND SMELL FROM #1 RECIRCULATION FAN. ISSUED MEL AND A/C WAS RETURNED TO SERVICE. MAINTENANCE REPLACED #1 RECIRCULATION FAN AND REMOVED MEL.

## Other reports on N399AT (1)

Matched to the same aircraft by N-number and date.

- [Incident 20010902029059I](https://openairdocs.org/incident/20010902029059I), Sep 2, 2001: Aerosp ATR72212 (N399AT), Hewanorra, ST. (-23) ATC cleared American eagle flight 9820 to the georges charles airport at st. Lucia, via the A312, fort of france, direct to destination. Maintain 7000…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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