DURING TKOF IN GUSTY CONDITIONS A CRJ700'S #2 GEN FAULT OCCURRED. THE #1 GEN WAS RESET CAUSING THE LOSS OF ALL ELEC AND FORCING THE AIR DRIVEN GEN ON.

2008-02 · NASA ASRS report 773207

Date: 2008-02 · Aircraft: Regional Jet 700 ER/LR (CRJ700) · Phase: initial_climb

Anomalies: aircraft-equipment-problem-less-severe|deviation-discrepancy-procedural-published-material-policy

Synopsis

DURING TKOF IN GUSTY CONDITIONS A CRJ700'S #2 GEN FAULT OCCURRED. THE #1 GEN WAS RESET CAUSING THE LOSS OF ALL ELEC AND FORCING THE AIR DRIVEN GEN ON.

Narrative

WE TOOK OFF OUT OF ZZZ. WINDS WERE VERY GUSTY WHICH INCREASED PF WORKLOAD. UPON REACHING 600 FT AGL; THE GENERATOR #2 AMBER CAS MESSAGE APPEARED. IMMEDIATELY THE PF TOOK THE CTLS AND RADIOS WHILE THE PLT MONITORING RAN THE QRH FOR AMBER GENERATOR #2 MESSAGE. THE QRH DIRECTED US TO RESET THE AFFECTED GENERATOR; TO WHICH THE PLT MONITORING ACCIDENTALLY AND MOMENTARILY RESET THE WRONG SWITCH CAUSING THE ADG TO DEPLOY. PWR WAS IMMEDIATELY RETURNED BACK TO THE ACFT AND TAKEN OFF THE ADG. AT THIS POINT THE ADG WAS ALREADY DEPLOYED; SO WE RETURNED BACK TO ZZZ AND LANDED. THE CREW IMMEDIATELY DETERMINED THE EVENT OCCURRED AND DID EVERYTHING RIGHT AFTER THE FACT TO QUICKLY AND SAFELY RETURN TO THE ARPT. NOT ONLY WAS OPS AND MAINT NOTIFIED QUICKLY; BUT THE CREW WAS ABLE TO MAKE AN ANNOUNCEMENT TO THE PAX INFORMING THEM OF THE SITUATION. THE PF CONTINUED FLYING AND OPERATING THE RADIOS WHILE THE PLT MONITORING SET UP COMS WITH THE FLT ATTENDANTS; MAINT; OPS; AND THE PAX. THE REST OF THE FLT WAS NON-EVENTFUL. ALTHOUGH AN ERROR IN THE CREW ACTION CREATED THE PROB; THEY HANDLED THE OUTCOME(S) VERY WELL AND IN A PROFESSIONAL MANNER. SAFETY OF THE CREW AND PAX WAS NEVER AN ISSUE SO; THEREFORE; THIS IS A PERFECT EXAMPLE OF A SUCCESSFUL FAILURE. I FEEL THIS EVENT OCCURRED DUE TO THE HIGH WORKLOAD ENVIRONMENT CREATED BY THE ADVERSE WX CONDITIONS. THE PF WAS BUSY FLYING THE ACFT THROUGH THE GUSTY WINDS WHILE THE PLT MONITORING WAS ATTEMPTING TO RUN THE QRH IN ROUGH CONDITIONS. THIS COULD HAVE BEEN ADDED TO THE PROB OF THE PLT MONITORING INITIALLY FLIPPING THE WRONG SWITCH. ACCIDENTS HAPPEN AND NO ONE IS PERFECT. THAT BEING SAID; ONE THING THAT COULD HAVE HELPED THE SITUATION WOULD HAVE BEEN IF THE APU HAD STILL BEEN RUNNING FOR TKOF. IN THE 200; IT IS COMMON TO LEAVE IT ON UNTIL THE AFTER TKOF CHKS ARE COMPLETE. THEREFORE; THE SAME SITUATION; IN THE 200; WOULD HAVE BEEN A NON-EVENT SINCE THE APU WOULD HAVE IMMEDIATELY TAKEN ALL ELECTRICAL LOADS. IF THIS WERE A COMMONALITY WITH THE 700; THIS WOULD HAVE ALSO BEEN A NON-EVENT. REPORTER HAS BEEN IN CONTACT WITH HIS ACR AND THE CAUSE OF THE FAILURES HAS YET TO BE DETERMINED. THE REPORTER DID NOT KNOW IF THE ACFT WAS PUT BACK INTO SERVICE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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