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Boeing 737 crew reported a dual navigation/display failure while on approach. They executed a missed approach and recovered the failed navigation systems using the QRH while preparing for their second approach.
| Attributes | |
| ACN | 1496409 |
| Time | |
| Date | 201711 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | NCT.TRACON |
| State Reference | CA |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Navigational Equipment and Processing |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
First officer (first officer) flying. On arrival into sjc on the RAZRR4 arrival and cleared for the ILS 30L approach. Around sekko received a 'display source 2' message on both pfds. As the QRH was being run; the message went away. Then approaching klide with the turn started; first officer nd (navigation display) lost all navigation data; flight director went away and aircraft went into cw (control wheel) steering. Hand flew turn towards final but had overshot. Due to location and altitude; was directed to go around. Followed directions. Recovered nd somewhere on new downwind. Cleared for new approach and landed uneventfully.
Original NASA ASRS Text
Title: Boeing 737 Crew reported a dual NAV/Display failure while on approach. They executed a missed approach and recovered the failed NAV systems using the QRH while preparing for their second approach.
Narrative: FO (First Officer) flying. On arrival into SJC on the RAZRR4 arrival and cleared for the ILS 30L approach. Around SEKKO received a 'display source 2' message on both PFDs. As the QRH was being run; the message went away. Then approaching KLIDE with the turn started; FO ND (Navigation Display) lost all NAV data; flight director went away and aircraft went into CW (Control Wheel) steering. Hand flew turn towards final but had overshot. Due to location and altitude; was directed to go around. Followed directions. Recovered ND somewhere on new downwind. Cleared for new approach and landed uneventfully.
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.