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هوافضا::
تراشه یابنده اصلی
It was found that all three master chip detector assemblies had been installed without O-ring seals.13
"the master chip detectors were installed without O-ring seals because the mechanics failed to follow the required
The records suggest that there were previous master chip detector installation problems and that the technicians were not routinely replacing O-ring seals on master chip detectors.
One finding of the NTSB was that the aircraft maintenance technicians "had the responsibility to install O-ring seals"; however, a subsequent finding in the NTSB report states that "the mechanics had always received master chip detectors with 'installed' O-ring seals and had never actually performed that portion of the requirements of work-card 7204."17 Latent organizational failure and L-S mismatches are obvious in this case.
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