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B767-400 flight crew questioned the legality of continuing flight to destination after having to correct a split trailing edge flap disagreement light by alternate checklist procedures after departure from atl, GA.
| Attributes | |
| ACN | 509380 |
| Time | |
| Date | 200104 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : atl.airport |
| State Reference | GA |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : maf.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : commercial pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 225 flight time total : 20000 flight time type : 540 |
| ASRS Report | 509380 |
| Events | |
| Anomaly | aircraft equipment problem : less severe |
| Resolutory Action | flight crew : overrode automation flight crew : overcame equipment problem |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Company Chart Or Publication Aircraft |
| Primary Problem | Aircraft |
Narrative:
Upon climb out from atl, we experienced a trailing edge flap disagreement light on EICAS. The normal flaps locked at approximately 9 degrees. The abnormal procedure was accomplished per aircraft operations manual. The flaps were raised using the alternate method. We checked with company dispatch regarding the legality of proceeding to lax versus returning to atl. Our operations manual did not discuss this. We were assured by dispatch that we were legal. We felt confident in proceeding to our destination airport and used alternate flaps in our landing in lax. We felt we used good judgement with safety always a consideration. We did not appreciate so little guidance on the legality of continuing in the 'alternate flap' mode.
Original NASA ASRS Text
Title: B767-400 FLT CREW QUESTIONED THE LEGALITY OF CONTINUING FLT TO DEST AFTER HAVING TO CORRECT A SPLIT TRAILING EDGE FLAP DISAGREEMENT LIGHT BY ALTERNATE CHKLIST PROCS AFTER DEP FROM ATL, GA.
Narrative: UPON CLBOUT FROM ATL, WE EXPERIENCED A TRAILING EDGE FLAP DISAGREEMENT LIGHT ON EICAS. THE NORMAL FLAPS LOCKED AT APPROX 9 DEGS. THE ABNORMAL PROC WAS ACCOMPLISHED PER ACFT OPS MANUAL. THE FLAPS WERE RAISED USING THE ALTERNATE METHOD. WE CHKED WITH COMPANY DISPATCH REGARDING THE LEGALITY OF PROCEEDING TO LAX VERSUS RETURNING TO ATL. OUR OPS MANUAL DID NOT DISCUSS THIS. WE WERE ASSURED BY DISPATCH THAT WE WERE LEGAL. WE FELT CONFIDENT IN PROCEEDING TO OUR DEST ARPT AND USED ALTERNATE FLAPS IN OUR LNDG IN LAX. WE FELT WE USED GOOD JUDGEMENT WITH SAFETY ALWAYS A CONSIDERATION. WE DID NOT APPRECIATE SO LITTLE GUIDANCE ON THE LEGALITY OF CONTINUING IN THE 'ALTERNATE FLAP' MODE.
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.