ASN Wikibase Occurrence # 58856
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| Date: | Monday 2 March 2009 |
| Time: | 13:27 |
| Type: |  Boeing 757-236 |
| Owner/operator: | Jet2 |
| Registration: | G-LSAA |
| MSN: | 24122/187 |
| Year of manufacture: | 1988 |
| Fatalities: | Fatalities: 0 / Occupants: 192 |
| Aircraft damage: | None |
| Category: | Incident |
| Location: | near Athens (ATH) -
 Greece
|
| Phase: | En route |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Manchester International Airport (MAN/EGCC) |
| Taba International Airport (TCP/HETB) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Jet Flight LS2113 had to make an precautionary landing at Athens International Airport due to a loss of cabin pressure.
The flight crew carried out an en-route climb from FL370 to FL390. Shortly before the aircraft levelled at FL390 they heard a u201Cpoppingu201D sound and felt a pressure change in their ears. The flight crew donned their oxygen masks and, with the cabin altitude seen to be rising and uncontrollable, executed a rapid descent. The aircraft subsequently diverted to Athens Airport. A number of the passengers complained of discomfort in their ears both during and after the event.
During an investigation carried out after the incident by the operator, a post-flight maintenance inspection of the aircraft revealed that a cabin positive pressure relief valve (CPRV) had opened. A number of components of the pressurisation system were removed from the aircraft and tested. Several of them were found to operate marginally outside the required tolerances. The operator's investigation concluded that the reduction of cabin pressure was probably caused by the premature opening of a CPRV leading to a state in which the loss of cabin air exceeded the rate of inflow. This condition would have generated the CABIN AUTO INOP EICAS message, provided the outflow valve was closed at the time.
Accident investigation:
 |
|
Sources:
http://www.aaib.gov.uk/sites/aaib/publications/bulletins/february_2010/boeing_757_236__g_lsaa.cfm
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Mar-2009 11:52 | harro | Added |
| 11-Feb-2010 00:36 | harro | Updated [Time, Location, Source, Narrative] |
| 25-Mar-2024 11:19 | ASN | Updated [Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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