Boeing 737-36Q, G-THOJ, 13 August 2006
Boeing 737-36Q, G-THOJ
Summary:
On 11 August, the aircraft suffered an in-flight failure of the DC Battery Bus, resulting in the loss of several aircraft systems including the standby ADI. Subsequent examination identified no defects with the aircraft but, during a flight to Malaga on the 13 August, the DC Battery Bus failed again. Despite further investigation, no defects were identified and the aircraft departed on the return flight. Whilst taxiing, the aircraft suffered a third failure and, after returning to the stand it, was confirmed that the R1 relay had failed. A previous AAIB investigation into a similar incident (G-EZYN, AAIB bulletin 4/2006) resulted in the publication of AAIB Safety Recommendation 2005-65, which is directly relevant to the failure experienced by G-THOJ. Therefore no further safety recommendations are made.
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