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Takeoff aborted when aircraft equipment problem arises. Crew determines it was a temporary malfunction and continue another takeoff.
| Attributes | |
| ACN | 254324 |
| Time | |
| Date | 199310 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sjo |
| State Reference | FO |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : takeoff other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 13000 flight time type : 4000 |
| ASRS Report | 254324 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 11000 flight time type : 3500 |
| ASRS Report | 254318 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | aircraft : equipment problem dissipated flight crew : rejected takeoff |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On oct/xx/93, approximately XX30Z, flight was cleared for takeoff from san jose, costa rica. We were flying an aircraft and I was the captain. Maximum takeoff power was applied with brakes on. At brake release the #1 egt electronically spiked to maximum needle swing on the gauge momentarily and we aborted the takeoff at about 5 to 10 KTS. The spike lasted only a second or 2 then, as we retarded the throttle, the gauge read normally. We tried to recreate the spike by running up the engine twice at full power and could not duplicate the momentary spike. We referred to all checklists and procedures then determined as a crew, we were safe and in compliance to takeoff without any further actions required. We continued the flight and landed at our destination iah with all system operating normally.
Original NASA ASRS Text
Title: TKOF ABORTED WHEN ACFT EQUIP PROB ARISES. CREW DETERMINES IT WAS A TEMPORARY MALFUNCTION AND CONTINUE ANOTHER TKOF.
Narrative: ON OCT/XX/93, APPROX XX30Z, FLT WAS CLRED FOR TKOF FROM SAN JOSE, COSTA RICA. WE WERE FLYING AN ACFT AND I WAS THE CAPT. MAX TKOF PWR WAS APPLIED WITH BRAKES ON. AT BRAKE RELEASE THE #1 EGT ELECTRONICALLY SPIKED TO MAX NEEDLE SWING ON THE GAUGE MOMENTARILY AND WE ABORTED THE TKOF AT ABOUT 5 TO 10 KTS. THE SPIKE LASTED ONLY A SECOND OR 2 THEN, AS WE RETARDED THE THROTTLE, THE GAUGE READ NORMALLY. WE TRIED TO RECREATE THE SPIKE BY RUNNING UP THE ENG TWICE AT FULL PWR AND COULD NOT DUPLICATE THE MOMENTARY SPIKE. WE REFERRED TO ALL CHKLISTS AND PROCS THEN DETERMINED AS A CREW, WE WERE SAFE AND IN COMPLIANCE TO TKOF WITHOUT ANY FURTHER ACTIONS REQUIRED. WE CONTINUED THE FLT AND LANDED AT OUR DEST IAH WITH ALL SYS OPERATING NORMALLY.
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.