# NTSB ATL87IA166: Boeing 737-200, N782N, Columbus, OH, June 11, 1987

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: June 11, 1987, 08:34 local (12:34 UTC)
- Place: Columbus, OH
- Coordinates: 40.010616, -82.920684 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0106&lon=-82.9207&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 77 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 7334
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL87IA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7334/pdf
- Page: https://openairdocs.org/ntsb/ATL87IA166

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Airframe/component/system failure/malfunction, descent - normal
  - air cond/heating/pressurization - leak (cause)
  - fluid,oil - overtemperature (cause)
  - fuselage,cabin - smoke

## Analysis

FLT ATTENDANT RPTED SMOKE IN CABIN AND PUNGENT ODOR WHICH DISSIPATED. AFTER DESCENT FOR LANDING WAS BEGUN SMOKE AND ODOR RETURNED. PAX INFORMED FLT CREW OF SMOKE INTENSITY AND PRECAUTIONALRY LANDING WAS MADE AT DIVERT FIELD. SUBSEQUENT EXAM REVEALED THAT THE RIGHT AIR CONDITIONING AIR CYCLE MACHINE LEAKED OIL INTO THE HEAT EXCHANGER DUE TO A NICKED OIL SLINGER RING. TURBINE OIL WAS OVERHEATED IN THE HEAT EXCHANGER PRODUCING SMOKE.

## Aircraft

- Registration: N782N (not matched to a registry record)
- Reported make and model: BOEING 737-200
- Category: Airplane
- Serial number: 22352
- Airframe hours: 17407
- Engines: P&W JT8D-9 14500 lbs thrust turbo fan
- Damage: No damage
- Flight: Part 121
- Operator: Piedmont Aviation,Inc.
- Registered owner: Piedmont Aviation Inc
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, December 11, 1986, 1,350 hours before
- Departed: EWR, NEWARK, NJ
- Destination: DAY, DAYTON, OH
- Flight plan: IFR
- Airport: CMH, Port Columbus Intl., runway 10R, 10,701 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 16,341 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 4 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point 52 °F
- Altimeter: 30.00 inHg
- Observed at: CMH

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19870611036759I](https://openairdocs.org/incident/19870611036759I), Jun 11, 1987: Boeing 737200, Columbus, OH. Diverted with smoke in the cabin. Evacuation on landing. Temperature controller failed, acm emitted odor into cabin

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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