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A B777-200 in takeoff thrust before flap retraction had left engine egt exceedence for 2 pt 2 seconds.
| Attributes | |
| ACN | 663957 |
| Time | |
| Date | 200509 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 800 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 78 flight time total : 14000 flight time type : 1000 |
| ASRS Report | 663957 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : left eng egt indication other flight crewa other flight crewb |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Aircraft |
Narrative:
Still in takeoff thrust; before flap retraction; left engine egt went to 695. It was only there for 2.2 seconds (per exceedance page in EICAS). Disengaged autothrottle and pulled it back to about 75%. Temperature became normal within seconds after flap retraction; in climb thrust; re-engaged autothrottles and temperature was normal. All other parameters remained normal at all times. Called dispatch and got a patch to maintenance control. Read the exceedance numbers to him. He said that the engine would need to be inspected and borescoped within 60 hours; and that there could be up to 7 such occurrences. We agreed that everything was operating normally and continued. When we were departing ZZZ2 on jul/tue/05; we learned that the outbound flight with that aircraft was canceled about 6 hours before we even arrived at ZZZ2 and ferried. I asked the mechanic at ZZZ2 who had met our flight what happened. He said he had borescoped it and it was normal. He said he thought that flight operations had decided to ferry it out of there. My crew is wondering why the outbound was canceled and; if it was something critical; why we weren't contacted en route. An hour or two after we had spoken to dispatch and maintenance control we got an ACARS message from the duty manager suggesting this report. Did he know something we didn't?
Original NASA ASRS Text
Title: A B777-200 IN TKOF THRUST BEFORE FLAP RETRACTION HAD L ENG EGT EXCEEDENCE FOR 2 PT 2 SECONDS.
Narrative: STILL IN TKOF THRUST; BEFORE FLAP RETRACTION; L ENG EGT WENT TO 695. IT WAS ONLY THERE FOR 2.2 SECONDS (PER EXCEEDANCE PAGE IN EICAS). DISENGAGED AUTOTHROTTLE AND PULLED IT BACK TO ABOUT 75%. TEMP BECAME NORMAL WITHIN SECONDS AFTER FLAP RETRACTION; IN CLB THRUST; RE-ENGAGED AUTOTHROTTLES AND TEMP WAS NORMAL. ALL OTHER PARAMETERS REMAINED NORMAL AT ALL TIMES. CALLED DISPATCH AND GOT A PATCH TO MAINT CTL. READ THE EXCEEDANCE NUMBERS TO HIM. HE SAID THAT THE ENG WOULD NEED TO BE INSPECTED AND BORESCOPED WITHIN 60 HRS; AND THAT THERE COULD BE UP TO 7 SUCH OCCURRENCES. WE AGREED THAT EVERYTHING WAS OPERATING NORMALLY AND CONTINUED. WHEN WE WERE DEPARTING ZZZ2 ON JUL/TUE/05; WE LEARNED THAT THE OUTBOUND FLT WITH THAT ACFT WAS CANCELED ABOUT 6 HRS BEFORE WE EVEN ARRIVED AT ZZZ2 AND FERRIED. I ASKED THE MECH AT ZZZ2 WHO HAD MET OUR FLT WHAT HAPPENED. HE SAID HE HAD BORESCOPED IT AND IT WAS NORMAL. HE SAID HE THOUGHT THAT FLT OPS HAD DECIDED TO FERRY IT OUT OF THERE. MY CREW IS WONDERING WHY THE OUTBOUND WAS CANCELED AND; IF IT WAS SOMETHING CRITICAL; WHY WE WEREN'T CONTACTED ENRTE. AN HR OR TWO AFTER WE HAD SPOKEN TO DISPATCH AND MAINT CTL WE GOT AN ACARS MESSAGE FROM THE DUTY MGR SUGGESTING THIS RPT. DID HE KNOW SOMETHING WE DIDN'T?
Data retrieved from NASA's ASRS site as of January 2009 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.