AN ACR B737 CREW HAD BOTH ENGS OVERTEMP ON TKOF. WX FACTORS TAILWIND TKOF EXTENDING TKOF RUN AND EXPOSURE TO OVERTEMP CONDITION.

Date: 1996-07 · Aircraft: B737 Undifferentiated or Other Model

Anomalies: aircraft-equipment-problem-less-severe|inflight-event-encounter-weather-turbulence

Synopsis

AN ACR B737 CREW HAD BOTH ENGS OVERTEMP ON TKOF. WX FACTORS TAILWIND TKOF EXTENDING TKOF RUN AND EXPOSURE TO OVERTEMP CONDITION.

Narrative

ON TKOF ROLL AT 100-110 KTS; THE L ENG OVERTEMP LIGHT CAME ON; THEN THE R ENG OVERTEMP LIGHT CAME ON SHORTLY THEREAFTER. MY FO STATED THE PROB. I SAID; 'ROGER; CONTINUING.' WE LIFTED OFF CLBING IN A NORMAL MANNER AND ON PROFILE. APCHING 1000 FT AGL; I RETARDED THE THROTTLES TO N1 CLB SETTING. THE OVERHEAT LIGHTS WENT OUT AND THE ENG INDICATIONS WERE NORMAL FOR AN N1 CLB. I CONTINUED TO FLY A NORMAL PROFILE DEP TO ENRTE CRUISE. MY FO DID STATE; AT THE POINT OF PWR REDUCTION; THAT THE L ENG PEAKED AT 965 DEG C AND THE R ENG 940 DEG C FOR NO MORE THAN 2 SECONDS. THE ENGS CONTINUED TO PRODUCE NORMAL PWR ON CLBOUT AND CRUISE. I MADE THE DECISION TO CONTINUE TO SAN FRANCISCO. MY ACR'S FLT STANDARDS MANUAL STATES 'ABOVE 80 KTS; IF EGT EXCEEDS THE MAX LIMIT (RED LINE; 930 DEGS C); DO NOT RETARD THE THROTTLE SINCE THIS WILL AFFECT THE TKOF DISTANCE. WHEN THE CAPT JUDGES THAT ALT (MINIMUM 400 FT AGL) AND AIRSPD ARE ACCEPTABLE; THE THROTTLE SHOULD BE RETARDED UNTIL EGT IS WITHIN LIMITS IN ACCORDANCE WITH THE 'ENG OVERTEMP DURING TKOF OR INFLT.' ENG OVERTEMP DURING TKOF OR FLT PROCS DO NOT REQUIRE A RETURN TO THE ARPT OF DEP IF EGT IS MAINTAINED WITHIN LIMITS. THE EGT REMAINED WITHIN LIMITS FOR THE DURATION OF THE FLT TO SAN FRANCISCO. AT NO TIME DID I BELIEVE THAT SAFETY OF FLT WAS COMPROMISED. I CONSULTED WITH MAINT CTL AFTER COMPLETION OF THE FLT; NOTING IN THE ACFT LOG; TEMP AND DURATION OF THE EVENT.

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