B737-700 CREW; WHEN PRESENTED WITH A MASTER CAUTION WARNING OF PROBS WITH THE ELECTRONIC ENG CTL SYS THAT HAD NO GUIDANCE OFFERED IN THE QRH; A PLT RPTS LITTLE ASSISTANCE WAS OBTAINED FROM THE DISPATCHER OR COMPANY MAINT CTL ALSO.
Synopsis
B737-700 CREW; WHEN PRESENTED WITH A MASTER CAUTION WARNING OF PROBS WITH THE ELECTRONIC ENG CTL SYS THAT HAD NO GUIDANCE OFFERED IN THE QRH; A PLT RPTS LITTLE ASSISTANCE WAS OBTAINED FROM THE DISPATCHER OR COMPANY MAINT CTL ALSO.
Narrative
PRIOR TO V1; BOTH ALTERNATE LIGHTS/IMC/ENG ANNUNCIATOR CAME ON. PUSHED BACK/DEICED/TKOF ROLL. JUST PRIOR TO V1 MC/ENG -- ANNUNCIATOR WITH BOTH ALTERNATE LIGHTS ON EECS. AFTER CLEANUP; CONSULTED QRH-B19. CHKLIST APPLIES ONLY IF ALTERNATE AND ASSOCIATED ON LIGHT IS ON. WE ONLY HAD ALTERNATE LIGHT(S). CALLED BWI MAINT AND MECH SAID HE THOUGHT IT WAS A SOFTWARE FAILURE; AND WE SHOULD ONLY LOSE A FEW PARAMETERS. HIS THOUGHT WAS MORE IF MCO WOULD HAVE PARTS TO FIX. CALLED DISPATCH AND TALKED WITH MAINT. THEY ONLY SAID WE CAN ONLY ADVISE THAT YOU FOLLOW THE QRH. I THINK THAT WAS A RESULT OF A COMPANY NOTICE ON COMS THAT CAME OUT RECENTLY. I WASN'T REALLY LOOKING TO TROUBLE-SHOOT; BUT MORE FOR AN OPERATIONAL CONSIDERATIONS STANDPOINT. A LITTLE GUIDANCE ON IF THEY WANTED TO RETURN TO BWI OR CONTINUE TO MCO. WITH NO QRH GUIDANCE; I WASN'T REALLY SURE IF A SOFTWARE FAILURE WAS A PROB OR NOT. I PROBABLY SHOULD HAVE ASKED A BETTER QUESTION TO DISPATCH/MAINT. I ADMIT TO BEING A BIT STARTLED BY THEIR ABRUPT RESPONSE AND WASN'T ABLE TO FORMULATE A BETTER FOLLOW-UP QUESTION FOR WHAT I WAS ASKING. LIGHTS STAYED ON THE ENTIRE WAY WITH ONLY NOTICEABLE HINDRANCE BEING THE N1'S MAXED OUT AT 95.1 ON THE CLB. STAYED AT FL350 INSTEAD OF GOING TO FL390. XCHKED ALL NUMBERS WITH OPC; INCLUDING GAR N1'S IF NEEDED. LIGHTS WENT OUT. (DON'T THEY ALWAYS; GOING INTO A MAINT BASE?) PASSING THROUGH 10000 FT GOING INTO MCO. WROTE IT UP IN THE LOGBOOK; AND MECHS MET THE AIRPLANE. FO WAS IN AGREEMENT WITH ACTIONS; AND WE DISCUSSED ALL POSSIBILITIES. I HAD FLOWN WITH THIS FO PREVIOUSLY AND WAS GLAD TO HAVE HIM WITH ME ON THIS. HIGHLY COMPETENT AND A GOOD COMMUNICATOR. THAT WAS A PLUS. I NEVER FELT THAT SAFETY WAS COMPROMISED. IT WAS MORE AN ISSUE OF COMS. WITH NO QRH GUIDANCE; AND HAVING NEVER SEEN THIS BEFORE; I WAS LOOKING FOR INFO FROM MAINT ON THE NATURE OF THE SIT; AND IF THEY HAD A PREFERENCE ON WHERE THEY WANTED THE AIRPLANE.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.