Smoke/Fumes Thread

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pelmet
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Smoke/Fumes Thread

Post by pelmet »

I thought I might start a thread showing some smoke/fumes incidents that seem to pop up regularly. It can be helpful to look at some incidents and see how the crew handled it and where these fumes can originate and what they can effect.....

"C-FSPM, a Gulfstream American Corporation 690D Aero Commander aircraft operated by the
Saskatchewan Public Safety Agency (Air Operations), was conducting flight BD161 from Prince Albert/Glass Field (CYPA), SK to La Ronge/Barber Field (CYVC), SK. During the initial climb after taking off from Runway 08, the cabin air became hazy and smoky. The flight crew communicated with Prince Albert Radio FSS and advised that the aircraft would perform a 180 degree turn and return to Runway 26. The flight crew conducted the actions for smoke in the cockpit and closed the bleed air valves. The smoke subsequently began to clear. The flight crew declined emergency services and the subsequent landing was uneventful.

The operator's maintenance personnel determined that the environmental system turbocharger oil-pump seal had failed allowing oil mist to enter the cabin air system. The turbocharger was replaced. The operator submitted a SDR (20210514012)."
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Last edited by pelmet on Sat Aug 07, 2021 4:54 pm, edited 1 time in total.
pelmet
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Re: Smoke/Fumes Thread

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C-FLXP, a float-equipped de Havilland DHC-6 Series 200 aircraft operated by Transwest Air with
only 2 crew on board, was conducting a flight from La Ronge (CJZ9), SK to pick up fire fighting
personnel at the Bar Fire, 46 NM NW of CJZ9. Immediately after takeoff, the flight deck and cabin filled with blue electrical smoke. The flight crew initiated a 180 degree turn for an emergency return to CJZ9. When the aircraft had landed safely on the water, the crew communicated with operations and then turned the electrical master switch off. The flight crew step-taxied the aircraft back to the water-base and secured the aircraft.

The operator's maintenance personnel determined that wiring near the heat mixing-valve motor was burnt. The damage was repaired and the aircraft was returned to service.
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Re: Smoke/Fumes Thread

Post by pelmet »

It happens sometimes.

We had a minor burning smell one time prior to departure that disappeared. Maintenance looked around quite thoroughly and found nothing. We departed and there was no further problem.

I also had a fume event near top of descent. Probably the air conditioning system but after a ferry flight back, little was found except some sort of theory that a aborted engine start for that flight had somehow led to the fume event.

"C-FSJH, an Air Canada Boeing 737 Max 8, was operating as flight ACA225 from Calgary (CYYC),
AB to Vancouver (CYVR), BC with 6 crew and 90 passengers on board. In cruise flight at 40 000
feet above sea level, the flight crew noticed an electrical odour in the flight deck. They followed the
'FUME EVENT CHECKLIST', donned oxygen masks, and declared a PAN-PAN emergency with
air traffic services. ACA225 continued to CYVR and landed without incident approximately 35
minutes later. The aircraft stopped on the runway for an inspection by aircraft rescue and fire
fighting. The aircraft was cleared and taxied to the gate.
Company maintenance crews inspected numerous systems but could neither find any fault nor
replicate the smell."
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Re: Smoke/Fumes Thread

Post by pelmet »

It would be nice if anybody who has had an experience with a smoke event that left no evidence behind, but was able to solve the mystery, could post their experience.......

C-GNAJ, a Beech 1900D operated by Alkan Air Limited, was conducting a re-positioning flight from
Vancouver International (CYVR), BC, to Nanaimo Airport (CYCD), BC, with 2 pilots on board.
Immediately after takeoff, the crew smelled and saw smoke coming from the circuit breaker panel
in the right hand footwell. The pilots opted to keep the landing gear down and the flaps in the
takeoff position and returned to CYVR. The smoke dissipated and the aircraft landed safely with no
reported damage to the aircraft and no injuries. ARFF met the aircraft on the ramp and completed
an inspection of the cockpit using a thermal scanner with no fire indicated.

Maintenance inspected all instrument and circuit breaker wiring in the cockpit with no faults found.
The aircraft was then powered up for 2 hours followed by a 15 minute ground run and the smoke
could not be duplicated. The aircraft was returned to service.
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Re: Smoke/Fumes Thread

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C-GJJF, a Beechcraft A100 operated by . Inc. as PRO4650, was on a flight
under instrument flight rules from the airport of Sept-Îles, QC (CYZV) to
La Romaine, QC (CTT5). During the initial climb, the passengers observed white smoke
with a smell of overheating. Due to weather conditions at CYZV, the crew
immediately declared an emergency and diverted to Baie-Comeau, Qc (CYBC) airport. The
source appearing to be in the baggage compartment, a passenger checked all the baggage without
identify problem. The aircraft landed safely in Baie-Comeau. No injuries. The
fire emergency services inspected the compartment and the luggage without finding the
source. Mechanics inspected the engines and the entire environmental system without finding
of failure. A flight test was successfully completed and the aircraft returned to service.
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Re: Smoke/Fumes Thread

Post by pelmet »

C-GKWE, a Dehavilland DHC-8-402 aircraft, was conducting WestJet Encore flight WEN3422 from
Halifax/Stanfield International Airport (CYHZ), NS to St. John's International Airport (CYYT), NL.
While on final approach on Runway 34 at CYYT, the flight crew was alerted to smoke in the
lavatory. The flight crew declared a MAYDAY with CYYT tower and advised them that the flight
intended to stop on the runway after landing. Aircraft rescue and firefighting (ARFF) met the aircraft
when it stopped. The source of the smoke was traced to a passenger that was vaping in the
lavatory. The aircraft then taxied safely to the gate.
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