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A B767-200ER had the left CSD fail on takeoff at 100 KTS. This caused interrupted power switching and caution lights during takeoff into rain and 200 ft overcast. Caused by oversvced CSD.
| Attributes | |
| ACN | 652680 |
| Time | |
| Date | 200503 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Rain |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 652680 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : eicas warning other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : work cards performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : scheduled maintenance |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Lost left CSD after 100 KTS on takeoff. Upon arrival in ZZZ1; mechanic said CSD had been oversvced by a quart. Wish maintenance would not oversvc CSD's as I do not appreciate having electrical power xfers (and the associated dimming and re-lighting of cockpit CRT's) and caution lights coming on at 100 KTS on takeoff (we were doing about 120 KTS before I disseminated what had happened); nor do I like taking off into 200 ft overcast and rain on 1 power source. Glad that the same problem did not afflict the right CSD. Accomplished QRH procedure and to ZZZ1 with APU on.
Original NASA ASRS Text
Title: A B767-200ER HAD THE L CSD FAIL ON TKOF AT 100 KTS. THIS CAUSED INTERRUPTED PWR SWITCHING AND CAUTION LIGHTS DURING TKOF INTO RAIN AND 200 FT OVCST. CAUSED BY OVERSVCED CSD.
Narrative: LOST L CSD AFTER 100 KTS ON TKOF. UPON ARR IN ZZZ1; MECH SAID CSD HAD BEEN OVERSVCED BY A QUART. WISH MAINT WOULD NOT OVERSVC CSD'S AS I DO NOT APPRECIATE HAVING ELECTRICAL PWR XFERS (AND THE ASSOCIATED DIMMING AND RE-LIGHTING OF COCKPIT CRT'S) AND CAUTION LIGHTS COMING ON AT 100 KTS ON TKOF (WE WERE DOING ABOUT 120 KTS BEFORE I DISSEMINATED WHAT HAD HAPPENED); NOR DO I LIKE TAKING OFF INTO 200 FT OVCST AND RAIN ON 1 PWR SOURCE. GLAD THAT THE SAME PROB DID NOT AFFLICT THE R CSD. ACCOMPLISHED QRH PROC AND TO ZZZ1 WITH APU ON.
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.