B737-300 FLT CREW MISSES THE OPEN CIRCUIT BREAKER IN THE COCKPIT FOR THE LEADING EDGE FLAP EXTENDED LIGHT AND SUFFER 2 ACFT CONFIGN WARNINGS ON THE 2 RELATED TKOF ATTEMPTS AT IND; IN.

2003-05 · NASA ASRS report 580982

Date: 2003-05 · Aircraft: B737-300 · Phase: takeoff

Anomalies: aircraft-equipment-problem-critical|deviation-discrepancy-procedural-other-unknown|deviation-discrepancy-procedural-published-material-policy|other-flc-distr

Synopsis

B737-300 FLT CREW MISSES THE OPEN CIRCUIT BREAKER IN THE COCKPIT FOR THE LEADING EDGE FLAP EXTENDED LIGHT AND SUFFER 2 ACFT CONFIGN WARNINGS ON THE 2 RELATED TKOF ATTEMPTS AT IND; IN.

Narrative

RWY 5L IND WAS PLANNED FOR AND BRIEFED DURING THE PREFLT CHKLIST SINCE IT WAS THE DEP RWY ON W SIDE AND WE WERE GOING W. OUR TAXI INSTRUCTIONS WERE TO TAXI TO RWY 14. WE MADE A QUICK DETERMINATION THAT WE WERE TOO HVY TO ACCEPT RWY 14; RWY 5R WAS OUR NEXT CLRNC. AS WE APCHED THE DEP END OF RWY 23 WE WERE RECLRED TO RWY 23L. THE COCKPIT WAS EXTREMELY BUSY TRYING TO GET NUMBERS; CHANGE THE FMS; MCP; CHK DEP PLATE; SEE IF A 'T' PROC EXISTED; AND THEN DO THE BEFORE TKOF CHKLIST. I DID NOT NOTICE THE LACK OF A GREEN LIGHT WITH CHALLENGE OF 'FLAPS' ALTHOUGH I RESPONDED IN THE AFFIRMATIVE. AS SOON AS PWR WAS ADDED FOR TKOF THE TKOF WARNING HORN SOUNDED. WE EXITED THE RWY; PHYSICALLY CHKED FLAP HANDLE AND INDICATOR; SPD BRAKE AND KNEW THE BRAKES HAD BEEN RELEASED. ALL WERE POSITIONED CORRECTLY (OR SO WE THOUGHT). THE LIST AGAIN DID NOT CATCH THE LACK OF A GREEN LIGHT. OF COURSE A SECOND TIME THE HORN WENT OFF. THIS TIME WE WERE VERY DELIBERATE AND DISCOVERED THAT THE LEADING EDGE FLAPS EXTERIOR LIGHT WAS NOT ON AT THE SAME TIME WE WERE CHKING THE CIRCUIT BREAKERS. THE LEADING EDGE FLAP POS INDICATOR CIRCUIT BREAKER WAS NOT PUSHED IN ON THE PREFLT. I CAN UNDERSTAND NOT NOTICING THE LACK OF A GREEN LIGHT THE FIRST TIME BECAUSE OF THE MANY CHANGES TAKING PLACE. I CANNOT UNDERSTAND HOW IT WAS MISSED AGAIN. SLOW DOWN AND DO THINGS RIGHT WHEN PRESSURED WOULD HAVE BEEN THE ANSWER I AM SURE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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