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Aircraft equipment problem. Oil leaking into air conditioning bleed caused smoke in aircraft. When smoke first occurred in-flight, flight crew didn't know where the source of the smoke was, so declared an emergency and returned to departure airport for uneventful landing.
| Attributes | |
| ACN | 342079 |
| Time | |
| Date | 199607 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : cle |
| State Reference | OH |
| Altitude | msl bound lower : 9000 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-10 10 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude other other |
| Route In Use | enroute airway : zob |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 230 flight time total : 10000 flight time type : 2300 |
| ASRS Report | 342079 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 230 flight time total : 15163 flight time type : 319 |
| ASRS Report | 341374 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency none taken : unable other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Climbing out of cle, at about 9000 ft, had the smell of electrical like burning in the aircraft. Smoke was not visible, however, there was a strong sme ll. We declared an emergency and were vectored for the ILS at cle, landing was normal. Cle crash crew inspected aircraft. Cause of smell was oil leaking into #1 engine air conditioning bleed. Bleed was secured and aircraft was ferried to ord.
Original NASA ASRS Text
Title: ACFT EQUIP PROB. OIL LEAKING INTO AIR CONDITIONING BLEED CAUSED SMOKE IN ACFT. WHEN SMOKE FIRST OCCURRED INFLT, FLC DIDN'T KNOW WHERE THE SOURCE OF THE SMOKE WAS, SO DECLARED AN EMER AND RETURNED TO DEP ARPT FOR UNEVENTFUL LNDG.
Narrative: CLBING OUT OF CLE, AT ABOUT 9000 FT, HAD THE SMELL OF ELECTRICAL LIKE BURNING IN THE ACFT. SMOKE WAS NOT VISIBLE, HOWEVER, THERE WAS A STRONG SME LL. WE DECLARED AN EMER AND WERE VECTORED FOR THE ILS AT CLE, LNDG WAS NORMAL. CLE CRASH CREW INSPECTED ACFT. CAUSE OF SMELL WAS OIL LEAKING INTO #1 ENG AIR CONDITIONING BLEED. BLEED WAS SECURED AND ACFT WAS FERRIED TO ORD.
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.