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B737 captain reported continuing to destination after losing the autopilot; auto throttles; and flight director.
| Attributes | |
| ACN | 1479203 |
| Time | |
| Date | 201709 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | EWR.Airport |
| State Reference | NJ |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Autoflight System |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 5984 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Approximately 50 minutes from ewr autopilot clicked off at FL370. Noted most windows on MCP were displaying 8; altitude 50000 ft and first officer course selector normal. Unable to restore. QRH no help. Could not use autopilot; auto throttles or flight director. Altitude alert horn sounded continuously and altitude window flashed. Speed and heading bugs not available. FMC and map worked. Had ILS capability on first officer side. Notified ATC of degraded navigation capability. Notified dispatch and [maintenance] suggested checking 2 breakers. Breakers were in and no other suggestions. Dispatch determined ewr was VFR so continued to destination.
Original NASA ASRS Text
Title: B737 Captain reported continuing to destination after losing the autopilot; auto throttles; and flight director.
Narrative: Approximately 50 minutes from EWR autopilot clicked off at FL370. Noted most windows on MCP were displaying 8; altitude 50000 FT and first officer course selector normal. Unable to restore. QRH no help. Could not use autopilot; auto throttles or flight director. Altitude alert horn sounded continuously and altitude window flashed. Speed and heading bugs not available. FMC and map worked. Had ILS capability on first officer side. Notified ATC of degraded navigation capability. Notified dispatch and [Maintenance] suggested checking 2 breakers. Breakers were in and no other suggestions. Dispatch determined EWR was VFR so continued to destination.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.