Delta 757-200: EICAS Alerts, Loss of Autopilot & Guidance – Return to SFO

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A Delta Airlines Boeing 757-200 was climbing out of San Francisco when they lost guidance, autothrottle, autopilot, and an EICAS message regarding TAT Probe. The crew worked the issues with dispatch and maintenance without success. After further discussion with dispatch and the duty pilot they decided to return to SFO as it would be too fatiguing to fly with limited capabilities and at time of circadian low

Timeline
A Delta Airlines Boeing 757-200 was climbing out of San Francisco when they lost guidance, autothrottle, autopilot, and an EICAS message regarding TAT Probe.
1.
Development of the situation
The crew worked the issues with dispatch and maintenance without success.
2.
Resolution or outcome described in the account
After further discussion with dispatch and the duty pilot they decided to return to SFO as it would be too fatiguing to fly with limited capabilities and at time of circadian low
3.

Accident Facts

Aircraft
B757
Airports
SFO (San Francisco)
Reconstruction
17:21
Audio from the original air traffic control recording, sourced from public recordings and released investigation records. The reconstruction, animation and written account are our own.
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