Category Archives: AAIB

Reuters: AAIB looking at condensation and ELT wiring as the possible cause of the Ethiopian Airlines 787 fire

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Air Accidents Investigation Branch (AAIB) is now focusing on possible condensation on the parked Ethiopian Airlines Boeing 787-8 (ET-AOP) at London Heathrow Airport and a possible pinched wire in an emergency beacon (ELT) as the possible cause of the July 12 fire, according to people familiar with the investigation and this report by Reuters.

Read the full report: CLICK HERE

Meanwhile, the Federal Aviation Administration (FAA) stated it will require inspections of all Honeywell ELTs on all 787s. However the FAA stopped short of requiring the airlines to disconnect or remove the ELTs.

Read the full report from Reuters: CLICK HERE

Boeing meanwhile has issued this statement:

The safety of passengers and crew members who fly aboard Boeing airplanes is our highest priority.

As a party to the investigation, Boeing supports the two recommendations from the UK Air Accidents Investigation Branch (AAIB), which we think are reasonable precautionary measures to take as the investigation proceeds. We are working proactively to support the regulatory authorities in taking appropriate action in response to these recommendations, in coordination with our customers, suppliers, and other commercial airplane manufacturers.

We are confident the 787 is safe and we stand behind its overall integrity.

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AAIB: Boeing 787 fire caused by Honeywell’s ELT, requests the FAA to turn off all 787 ELTs

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Air Accidents Investigation Branch (AAIB), investing the on-board fire on Ethiopian Airlines’ parked Boeing 787-8 ET-AOP at London Heathrow Airport, has issued a Special Bulletin on the incident. CLICK HERE to read the full report.

According to Reuters, the AAIB reported the the “fire occurred in the upper portion of the rear fuselage where the 787’s emergency locator transmitter (ELT) device, made by U.S. firm Honeywell is located.

There are no other aircraft system in this area of the plane which, with the aircraft unpowered, contained stored energy capable of causing such a fire, the British agency said.

The AAIB also recommended that the U.S. Federal Aviation Administration (FAA) ensure the power is turned off in all Honeywell-made ELT systems in Boeing 787 Dreamliners. A source close to the probe said this could mean removing the ELT’s batteries.”

Read the full report from Reuters: CLICK HERE

AAIB: No evidence the Ethiopian 787 fire at London Heathrow Airport was caused by the batteries

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Air Accidents Investigation Branch (AAIB) has classified the Ethiopian Airlines Boeing 787-8 ET-AOP (msn 34744) fire at London Heathrow Airport on Friday (July 12) as a “serious incident”. The important statement in the message below is the statement at the end is the heat damage in upper rear fuselage “is remote from the area in which the aircraft main and APU (Auxiliary Power Unit) batteries are located, and, at this stage, there is no evidence of a direct causal relationship”.

Read the full report from Reuters: CLICK HERE

Fixing ET-AOP could be a challenge for Boeing: CLICK HERE

The AAIB issued this statement:

AAIB LHR Statement 7.13.13