A B737-300 RETURNED TO THE GATE WITH FLAP HANDLE AT 5 UNITS AND FLAP POS INDICATION AT '0.' MAINT RECYCLED FLAPS IN ALTERNATE MODE. CHKS OK.
Synopsis
A B737-300 RETURNED TO THE GATE WITH FLAP HANDLE AT 5 UNITS AND FLAP POS INDICATION AT '0.' MAINT RECYCLED FLAPS IN ALTERNATE MODE. CHKS OK.
Narrative
WITH ALL THE ATTN ON FLAPS LATELY; I THOUGHT YOU MIGHT BE INTERESTED IN THIS. WE PUSHED BACK; NORMAL START; DISCONNECT; AFTER START CHK; CALLED FOR FLAPS 5 DEGS AND PRETKOF CHK. WHEN WE GOT TO FLAPS ON THE CHKLIST I LOOKED AT THE FLAP GAUGE AND THEY WERE AT 0 DEG. THE FLAP HANDLE WAS AT 5 DEGS. MAN THIS NEVER HAPPENED BEFORE! WELL MAYBE IN THE SIMULATOR BEFORE. BOTH OUR HEADS SWUNG AROUND TO THE CIRCUIT BREAKER PANEL; BUT THEY WERE ALL IN. I LOOKED AT THE OVERHEAD PANEL; NO LIGHTS. I LOOKED OUT AT THE WING AND THE FLAPS WERE UP. WE TAXIED BACK TO THE GATE AFTER WE DID FLAPS UP CLEAN UP. WE SHUT DOWN AND WROTE IT UP. MAINT SHOWED UP; TURNED ON B PUMP AND EXTENDED FLAPS TO 40 DEGS; EVERYTHING WAS NORMAL! MAINT INSPECTED AND SIGNED OFF. MAINT TOLD ME THAT THERE WERE RESTRICTORS THAT WILL SHUT OFF PRESSURE AND WILL RESET THEMSELVES AFTER 5 MINS. OK. I THOUGHT TO MYSELF; MAN I SHOULD HAVE TESTED THE TKOF WARNING HORN WHILE I HAD THE CHANCE AND I SHOULD HAVE LEFT THAT FLAP HANDLE AT 5 DEGS SO THOSE MECHS WOULDN'T THINK I WAS CRAZY. WELL; THE WORDS FLAPS UP; CLEAN UP JUST POPPED OUT AND WE WENT BACK TO THE GATE. AFTER WE WERE PARKED AT THE GATE AND EVERYTHING WAS TAKEN CARE OF I TOLD THE FO IT'S A GOOD THING WE BROUGHT THE FLAP HANDLE BACK TO ZERO; BECAUSE THEY PROBABLY WOULD HAVE EXTENDED AND HIT SOMETHING AFTER THE 5 MIN WAIT. WE WERE HAPPY WITH OUR COURSE OF ACTION AND IT WAS JUST ANOTHER REINFORCEMENT TO FOLLOW PROC NO MATTER HOW ROUTINE. MAINT WILL ALWAYS BELIEVE YOU; WELL MAYBE AFTER A FEW JOKES.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.