ASN Wikibase Occurrence # 270674
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| Date: | Monday 29 November 2021 |
| Time: | 15:15 UTC |
| Type: |  Boeing 737-2B6C Adv. |
| Owner/operator: | Nolinor Aviation |
| Registration: | C-GNLN |
| MSN: | 23050/975 |
| Year of manufacture: | 1983 |
| Fatalities: | Fatalities: 0 / Occupants: 82 |
| Aircraft damage: | None |
| Location: | 100 nm NNW of Val-d’Or Airport, QC (YVO) -
 Canada
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Val-d’Or Airport, QC (YVO/CYVO) |
| Meadowbank, NU (CMB2) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
A Boeing 737-200 operated by Nolinor Aviation as NRL950, was on an instrument flight rules (IFR) flight from Val-d'Or, QC (CYVO) to Meadowbank, NU (CMB2). While the aircraft was climbing through FL250, the crew received a high cabin altitude indication. The crew immediately initiated an emergency descent, but did not declare an emergency to air traffic control. The aircraft returned safely to CYVO. There were no injuries. During the co-pilot's cursory examination, the left air conditioning pack switch was not fully in the on position and could remain between 2 positions.
The switch was replaced by maintenance and tested functional.
Sources:
TSB A21Q0128
History of this aircraft
Other occurrences involving this aircraft
| 5 February 2021 | C-GNLN | Nolinor | 0 | 105 nm SE of Thompson, MB | |
non |
| Loss of pressurization | ||||||
| 18 August 2021 | C-GNLN | Nolinor | 0 | 55nm SE From Val d'Or Airport, QC | |
min |
| Engine failure | ||||||
| 14 November 2021 | C-GNLN | Nolinor | 0 | 270 nm N of Val-d’Or Airport, QC | |
non |
| Loss of pressurization | ||||||
| 5 October 2023 | C-GNLN | Nolinor Aviation | 0 | NW of Montreal, QC | |
non |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Dec-2021 20:14 | harro | Added |
| 14-Dec-2021 20:14 | harro | Updated [Aircraft type, Cn, Location] |
Corrections or additions? ... Edit this accident description
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