ASN Wikibase Occurrence # 234895
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| Date: | Monday 22 July 2019 |
| Time: | 06:30 UTC |
| Type: |  de Havilland Canada DHC-8-402Q Dash 8 |
| Owner/operator: | Flybe |
| Registration: | G-PRPK |
| MSN: | 4203 |
| Year of manufacture: | 2008 |
| Engine model: | Pratt & Whitney Canada PW150A |
| Fatalities: | Fatalities: 0 / Occupants: 60 |
| Aircraft damage: | None |
| Category: | Incident |
| Location: | En route from Edinburgh Airport to London City Airport -
 United Kingdom
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Edinburgh-Turnhouse Airport (EDI/EGPH) |
| London City Airport (LCY/EGLC) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
During a scheduled flight from Edinburgh Airport to London City Airport (BE1331) the CABIN PRESS warning illuminated and the crew initiated an emergency descent. The aircraft diverted to Birmingham and landed without further incident. Following some rectification work the aircraft was returned to service later that day.
During the ensuing weeks the aircraft experienced several more pressurisation events until, after nine events, the operator decided to withdraw it from service for in-depth engineering investigation.
Several bleed air and pressurisation components were replaced before the aircraft returned to service.
The absence of further reported pressurisation faults since the aircraft returned to service indicates that this intervention was successful. It is therefore possible that several events, including the second emergency descent, would have been avoided if this intervention had occurred sooner, according to the AAIB.
Safety actions taken by the operator
● The operator issued a notice to all its flight crew (NOTAC 101/19) on 9 August 2019 with guidance on the reporting of safety events. It also conducted a ‘roadshow’ for crews and engineers at all its bases, encouraging the submission of ASR reports.
● The operator has initiated a review of its reliability program to, among other things, enable more robust monitoring of recurring defects.
Accident investigation:
 |
|
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/5f451c1d8fa8f51f7faa8d48/DHC-8-402_Dash_8_G-PRPK_04-20.pdf
2. AAIB Annual Safety Review 2020 p.129: https://assets.publishing.service.gov.uk/media/60d2e72ed3bf7f4bd4662d67/Annual_Safety_Review_2020.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Apr-2020 12:45 | harro | Added |
| 26-Jun-2021 23:29 | Dr. John Smith | Updated [Source, Narrative] |
Corrections or additions? ... Edit this accident description
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