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The #2 generator on an A300-600 failed. Simultaneously the #2 bus and the first officer's instruments became unpwred. The crew executed an immediate return land.
| Attributes | |
| ACN | 627743 |
| Time | |
| Date | 200408 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : jfk.airport |
| State Reference | NY |
| Altitude | msl single value : 7.000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 627743 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : gen/bus fault annunciation |
| Resolutory Action | flight crew : landed in emergency condition |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On climb out from jfk, at about 7000 ft, the #2 generator faulted. The #2 AC bus had become unpwred with this failure. All of the first officer's side of the aircraft was unpwred, and the passenger cabin was without power. The APU was started, the APU generator was available, but would not power the AC bus #2. With only 1 generator pwring the aircraft, no first officer instruments, and the failure unexplained. I decided to return to jfk for an immediate landing. All system were available for our arrival. The aircraft was taken OTS for maintenance to correct the failure.
Original NASA ASRS Text
Title: THE #2 GENERATOR ON AN A300-600 FAILED. SIMULTANEOUSLY THE #2 BUS AND THE FO'S INSTS BECAME UNPWRED. THE CREW EXECUTED AN IMMEDIATE RETURN LAND.
Narrative: ON CLBOUT FROM JFK, AT ABOUT 7000 FT, THE #2 GENERATOR FAULTED. THE #2 AC BUS HAD BECOME UNPWRED WITH THIS FAILURE. ALL OF THE FO'S SIDE OF THE ACFT WAS UNPWRED, AND THE PAX CABIN WAS WITHOUT PWR. THE APU WAS STARTED, THE APU GENERATOR WAS AVAILABLE, BUT WOULD NOT PWR THE AC BUS #2. WITH ONLY 1 GENERATOR PWRING THE ACFT, NO FO INSTS, AND THE FAILURE UNEXPLAINED. I DECIDED TO RETURN TO JFK FOR AN IMMEDIATE LNDG. ALL SYS WERE AVAILABLE FOR OUR ARR. THE ACFT WAS TAKEN OTS FOR MAINT TO CORRECT THE FAILURE.
Data retrieved from NASA's ASRS site as of July 2007 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.