First officer's report on an in-flight engine shutdown and return land.

Attributes
ACN	276511
Time
Date	199407
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : cvg
State Reference	OH
Altitude	msl bound lower : 11000 msl bound upper : 16000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 135
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude other other
Route In Use	enroute airway : zid
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 240 flight time total : 7200 flight time type : 240
ASRS Report	276511
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Duct leak light on #1 engine came on during climb. #1 air conditioning and bleeds were shut off, checklist was run. After 3 mins, light remained on, requiring shutdown of #1 engine. This was accomplished, emergency return to cincinnati was executed. Chain: mechanical failure. No contributing factors discovered via system walk around. Corrective measures: via checklist procedures! Human: captain's decision and all crew actions in accordance with training and operations manuals. Landing was uneventful. All passenger returned for flight with same crew 30 mins after landing.

Original NASA ASRS Text

Title: FO'S RPT ON AN INFLT ENG SHUTDOWN AND RETURN LAND.

Narrative: DUCT LEAK LIGHT ON #1 ENG CAME ON DURING CLB. #1 AIR CONDITIONING AND BLEEDS WERE SHUT OFF, CHKLIST WAS RUN. AFTER 3 MINS, LIGHT REMAINED ON, REQUIRING SHUTDOWN OF #1 ENG. THIS WAS ACCOMPLISHED, EMER RETURN TO CINCINNATI WAS EXECUTED. CHAIN: MECHANICAL FAILURE. NO CONTRIBUTING FACTORS DISCOVERED VIA SYS WALK AROUND. CORRECTIVE MEASURES: VIA CHKLIST PROCS! HUMAN: CAPT'S DECISION AND ALL CREW ACTIONS IN ACCORDANCE WITH TRAINING AND OPS MANUALS. LNDG WAS UNEVENTFUL. ALL PAX RETURNED FOR FLT WITH SAME CREW 30 MINS AFTER LNDG.

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.