Narrative:

At cruise with autoplt engaged; aircraft lost entire right electrical system due to a fault on generator and corresponding bus. Lost all first officer instruments; autoflt; autothrottles and all FMS information. I maintained aircraft control by flying across cockpit using raw data from captain's primary flight instruments. Minor deviations from course and altitude may have occurred. Checklist procedures did not restore lost system and an emergency was declared. Center vectored us to an uneventful landing at our planned destination of ZZZ. No loss of separation occurred that we were aware of. Supplemental information from acn 724139: we were at FL330; had just begun descent approximately 100 mi from ZZZ; when autoplt kicked off with a right generator failure and xtie lockout. We were over ZZZ1. WX around ZZZ1 was IFR. WX at ZZZ was 1800 ft; 10 mi. Declared emergency and proceeded to ZZZ. Copilot completed all emergency checklists and normal checklists. Captain flew a raw data hand flown ILS approach in to ZZZ. Landing was normal. Terminated emergency; proceeded to gate and offloaded passenger. Callback conversation with reporter revealed the following information: the reporter stated that maintenance replaced the generator control panel and reset the crosstie to correct all the electrical problems reported.

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Original NASA ASRS Text

Title: MD88 CREW HAS GENERATOR FAILURE AT START OF DESCENT; WHICH CAUSED A CROSSTIE LOCKOUT WITH ASSOCIATED INSTRUMENT AND SYSTEM FAILURES.

Narrative: AT CRUISE WITH AUTOPLT ENGAGED; ACFT LOST ENTIRE R ELECTRICAL SYS DUE TO A FAULT ON GENERATOR AND CORRESPONDING BUS. LOST ALL FO INSTS; AUTOFLT; AUTOTHROTTLES AND ALL FMS INFO. I MAINTAINED ACFT CTL BY FLYING ACROSS COCKPIT USING RAW DATA FROM CAPT'S PRIMARY FLT INSTS. MINOR DEVS FROM COURSE AND ALT MAY HAVE OCCURRED. CHKLIST PROCS DID NOT RESTORE LOST SYS AND AN EMER WAS DECLARED. CTR VECTORED US TO AN UNEVENTFUL LNDG AT OUR PLANNED DEST OF ZZZ. NO LOSS OF SEPARATION OCCURRED THAT WE WERE AWARE OF. SUPPLEMENTAL INFO FROM ACN 724139: WE WERE AT FL330; HAD JUST BEGUN DSCNT APPROX 100 MI FROM ZZZ; WHEN AUTOPLT KICKED OFF WITH A R GENERATOR FAILURE AND XTIE LOCKOUT. WE WERE OVER ZZZ1. WX AROUND ZZZ1 WAS IFR. WX AT ZZZ WAS 1800 FT; 10 MI. DECLARED EMER AND PROCEEDED TO ZZZ. COPLT COMPLETED ALL EMER CHKLISTS AND NORMAL CHKLISTS. CAPT FLEW A RAW DATA HAND FLOWN ILS APCH IN TO ZZZ. LNDG WAS NORMAL. TERMINATED EMER; PROCEEDED TO GATE AND OFFLOADED PAX. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER STATED THAT MAINTENANCE REPLACED THE GENERATOR CONTROL PANEL AND RESET THE CROSSTIE TO CORRECT ALL THE ELECTRICAL PROBLEMS REPORTED.

Data retrieved from NASA's ASRS site as of January 2009 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.