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B767 crew experiences stby dc electrical failure at FL320 and returns to departure airport after consulting with maintenance.
| Attributes | |
| ACN | 733972 |
| Time | |
| Date | 200704 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zzz.artcc |
| State Reference | US |
| Altitude | msl single value : 32000 |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time total : 15000 flight time type : 3000 |
| ASRS Report | 733972 |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Independent Detector | aircraft equipment other aircraft equipment : eicas other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
P6-1CB A-2 dc standby opened. Lost all dc standby electrical equipment. Declared emergency; turned back to ZZZ; called maintenance as per maintenance manual. Reset circuit breaker. Some; but not all affected equipment returned to ZZZ to an uneventful overweight landing. Fire equipment said on indication of problem at gate mechanic changed out left transformer rectifier.
Original NASA ASRS Text
Title: B767 CREW EXPERIENCES STBY DC ELECTRICAL FAILURE AT FL320 AND RETURNS TO DEPARTURE ARPT AFTER CONSULTING WITH MAINTENANCE.
Narrative: P6-1CB A-2 DC STANDBY OPENED. LOST ALL DC STANDBY ELECTRICAL EQUIP. DECLARED EMER; TURNED BACK TO ZZZ; CALLED MAINT AS PER MAINT MANUAL. RESET CIRCUIT BREAKER. SOME; BUT NOT ALL AFFECTED EQUIP RETURNED TO ZZZ TO AN UNEVENTFUL OVERWT LNDG. FIRE EQUIP SAID ON INDICATION OF PROB AT GATE MECH CHANGED OUT L TRANSFORMER RECTIFIER.
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.