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| Date: | Friday 5 February 2021 |
| Time: | 20:55 UTC |
| Type: |  Boeing 737-2B6C Adv. |
| Owner/operator: | Nolinor Aviation |
| Registration: | C-GNLN |
| MSN: | 23050/975 |
| Year of manufacture: | 1983 |
| Fatalities: | Fatalities: 0 / Occupants: 76 |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Location: | 105 nm SE of Thompson, MB -
 Canada
|
| Phase: | En route |
| Nature: | Passenger |
| Departure airport: | Thompson Airport, MB (YTH/CYTH) |
| Val-d’Or Airport, QC (YVO/CYVO) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
A Boeing 737-200 operated by Nolinor as flight NRL950, was conducting a flight from Thompson (CYTH) MB to Val-D'or (CYVO) QC. During the climb out from CYTH the cabin altitude reached 14000 ft and the passenger cabin masks deployed. The flight crew carried out the emergency procedures and declared a PAN PAN. The aircraft descended from FL296 to 16000 ft and returned to CYTH where the aircraft landed without incident.
The operator's maintenance found the automatic pressurization system was unserviceable. The aircraft was released under MEL and ferried to Montreal/Mirabel Intl (CYMX) QC for repairs.
Sources:
TSB
History of this aircraft
Other occurrences involving this aircraft
| 18 August 2021 | C-GNLN | Nolinor Aviation | 0 | 55nm SE From Val d'Or Airport, QC | |
min |
| Engine failure | ||||||
| 14 November 2021 | C-GNLN | Nolinor Aviation | 0 | 270 nm N of Val-d’Or Airport, QC | |
non |
| Loss of pressurization | ||||||
| 29 November 2021 | C-GNLN | Nolinor Aviation | 0 | 100 nm NNW of Val-d’Or Airport, QC (YVO) | |
non |
| Loss of pressurization | ||||||
| 5 October 2023 | C-GNLN | Nolinor Aviation | 0 | NW of Montreal, QC | |
non |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Feb-2021 20:39 | harro | Added |
| 28-Nov-2021 12:48 | harro | Updated |
Corrections or additions? ... Edit this accident description
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