Ethiopian B788 near Jeddah on Mar 5th 2019, &quot;minor technical problem&quot;
Last Update: March 10, 2019 / 19:47:23 GMT/Zulu time
The airline apologized to their passengers for the "minor technical problem", a replacement aircraft would take them to Dublin.
A replacement Boeing 787-8 registration ET-AOQ reached Dublin with a delay of 6:15 hours.
The occurrence aircraft returned to service 21 hours after landing back.
On Mar 10th 2019 The Aviation Herald received information that the aircraft was enroute at FL400 with no cockpit indication, however, the passenger oxygen masks were released and most of the passenger service units were activated. The crew initiated an emergency descent. Once level at FL100 the crew assessed the situation, however, no reason was apparent of why the oxygen masks had been released. The crew therefore decided to climb to FL240 and return to Addis Ababa. No second depressurization occurred on the way back. Maintenance subsequently found the forward cargo door seal was damaged, the high difference of cabin pressre to ambient pressure (at FL400) caused the cargo door to shift slightly out of position releasing the cabin air causing a loss of cabin pressure. The seal subsequently closed again at FL100. All passenger service units were replaced, the seal was replaced. An investigation has been initiated into why the crew climbed back to FL240 returning to Addis Ababa and did not divert to avoid high terrain (MSA around Addis Ababa 14,500 feet, highest mountain peak 3200 meters/10500 feet MSL) on the way back.
This article is published under license from Avherald.com. © of text by Avherald.com.
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