ACR MLG RUNAWAY SEL CAL CHIME CAUSED TKOF ABORT AT HIGH SPEED.
Synopsis
ACR MLG RUNAWAY SEL CAL CHIME CAUSED TKOF ABORT AT HIGH SPEED.
Narrative
DURING TKOF ROLL WITH A HVY AIRPLANE; AT ABOUT 90 KTS; A COCKPIT CHIME BEGAN SOUNDING REPEATEDLY. TKOF WAS ABORTED AT APPROX 110 KTS AND THE RWY CLRED. THE BRAKE OVERHEAT LIGHT SUBSEQUENTLY CAME ON REQUIRING A RETURN TO THE GATE FOR INSPECTION AND COOLING. THE CHIME PROVED TO BE A RWY SELCAL/ACARS PRINTER CHIME RATHER THAN THE F/A'S CALLING WITH AN EMER. SHOULDN'T WARNINGS OF A LESSER IMPORTANCE BE INHIBITED FROM PWR APPLICATION TO PERHAPS 3000' AGL? CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: CONVERSATION REVEALED THIS IS ACTUALLY THE SAME CHIME USED BOTH FOR SELCAL AND CABIN TO COCKPIT. NORMALLY JUST DINGS TWICE FOR SELCAL; BUT IN THIS CASE DINGED SO MANY TIMES CREW THOUGHT IT WAS THE CABIN ATTENDANT EMER CALL SIGNAL. INCIDENT HAS BEEN GIVEN TO THE COMPANY MGMNT WITH SUGGESTION IT BE DEACTIVATED DURING CRITICAL FLT REGIME SUCH AS ON ADVANCED TECH ACFT WHICH HAVE NON EMER WARNINGS DEACTIVATED BTWN 80 KTS AND 400' RADIO ALT OR 20 SECS AFTER NOSE GEAR LIFT OFF; WHICHEVER OCCURS FIRST. RPTR'S MGMNT ARE IN AGREEMENT WITH THE SUGGESTION AND ARE LOOKING INTO THE TECHNICAL AND ECONOMICS OF RETROFITTING THE MLG FLEET.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.