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MD83 flight crew experiences high engine oil temperature at FL320 and diverts to the nearest suitable airport. The engine is shut down; an emergency is declared; and an uneventful landing ensues. A broken wire is found to have caused a false indication.
| Attributes | |
| ACN | 991411 |
| Time | |
| Date | 201201 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Oil Temperature Indication |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Experience | Flight Crew Total 12200 |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
While cruising at FL320 over the mountains in day VMC conditions; we noticed that the left engine's oil temperature was increasing. The temperature seemed somewhat erratic; but the general trend was upward. We subsequently saw the yellow light and then the red light. The highest temperature I saw was about 180 degrees. We ran the oil temperature high QRH procedure. The captain declared an emergency and we got clearance to divert. During the descent; I flew the airplane while the captain ran the engine failure/in flight shutdown QRH procedure. A deadheading pilot in the jumpseat provided excellent backup monitoring altitude clearances; pulling out the approach plates and so forth. We had an uneventful landing the weather was VMC with little or no wind. We stopped the aircraft on the runway. The fire chief and his team looked the aircraft over and saw no evidence of fire; smoke; or anything leaking. We then taxied the airplane to the gate.the mechanics later said that they found a broken wire. Are the wires in this area getting old? Are they flexing repeatedly so that they eventually break? If this is a common occurrence; perhaps these wires should be inspected during periodic maintenance checks.
Original NASA ASRS Text
Title: MD83 flight crew experiences high engine oil temperature at FL320 and diverts to the nearest suitable airport. The engine is shut down; an emergency is declared; and an uneventful landing ensues. A broken wire is found to have caused a false indication.
Narrative: While cruising at FL320 over the mountains in day VMC conditions; we noticed that the left engine's oil temperature was increasing. The temperature seemed somewhat erratic; but the general trend was upward. We subsequently saw the yellow light and then the red light. The highest temperature I saw was about 180 degrees. We ran the Oil Temperature High QRH procedure. The Captain declared an emergency and we got clearance to divert. During the descent; I flew the airplane while the Captain ran the Engine Failure/In flight Shutdown QRH procedure. A deadheading pilot in the jumpseat provided excellent backup monitoring altitude clearances; pulling out the approach plates and so forth. We had an uneventful landing the weather was VMC with little or no wind. We stopped the aircraft on the runway. The Fire Chief and his team looked the aircraft over and saw no evidence of fire; smoke; or anything leaking. We then taxied the airplane to the gate.The mechanics later said that they found a broken wire. Are the wires in this area getting old? Are they flexing repeatedly so that they eventually break? If this is a common occurrence; perhaps these wires should be inspected during periodic maintenance checks.
Data retrieved from NASA's ASRS site as of July 2013 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.