<< >> NASA ASRS Report 414180, August 1998

A commercial fixed wing medium large transport aircraft in descent. A captain and a passenger notice a very faint odor of smoke. All smoke odor checks were made, circuits breakers ok, crew landed normally.

Attributes
ACN	414180
Time
Date	199808
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : jvl
State Reference	WI
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : cle
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent other
Route In Use	enroute airway : ord
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : flight engineer
Experience	flight time last 90 days : 90 flight time total : 5000 flight time type : 737
ASRS Report	414180
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	none taken : insufficient time none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Inbound to ord, approximately 10 NM west of jvl, I noticed a very faint odor coming from the gasper outlet. The first flight attendant then came to the cockpit and reported that passenger reported smelling something like smoke. The first flight attendant reported that she did not see or smell anything. We immediately checked all circuit breakers and found none popped. As a precaution, I turned off the gasper fan and discussed the situation with the first officer. We considered declaring an emergency, but there was no smoke, no warnings, and no further reports of smoke, fumes or odor. We reviewed the quick reference checklist for smoke, fumes and odor, but because there was no smoke, fumes or odor, no further action was required. At this point, we were on a right base for runway 22R at ord. Landed normally. Dispatch was called to arrange to have a maintenance supervisor meet the flight.

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Original NASA ASRS Text

Title: A COMMERCIAL FIXED WING MLG ACFT IN DSCNT. A CAPT AND A PAX NOTICE A VERY FAINT ODOR OF SMOKE. ALL SMOKE ODOR CHKS WERE MADE, CIRCUITS BREAKERS OK, CREW LANDED NORMALLY.

Narrative: INBOUND TO ORD, APPROX 10 NM W OF JVL, I NOTICED A VERY FAINT ODOR COMING FROM THE GASPER OUTLET. THE FIRST FLT ATTENDANT THEN CAME TO THE COCKPIT AND RPTED THAT PAX RPTED SMELLING SOMETHING LIKE SMOKE. THE FIRST FLT ATTENDANT RPTED THAT SHE DID NOT SEE OR SMELL ANYTHING. WE IMMEDIATELY CHKED ALL CIRCUIT BREAKERS AND FOUND NONE POPPED. AS A PRECAUTION, I TURNED OFF THE GASPER FAN AND DISCUSSED THE SIT WITH THE FO. WE CONSIDERED DECLARING AN EMER, BUT THERE WAS NO SMOKE, NO WARNINGS, AND NO FURTHER RPTS OF SMOKE, FUMES OR ODOR. WE REVIEWED THE QUICK REF CHKLIST FOR SMOKE, FUMES AND ODOR, BUT BECAUSE THERE WAS NO SMOKE, FUMES OR ODOR, NO FURTHER ACTION WAS REQUIRED. AT THIS POINT, WE WERE ON A R BASE FOR RWY 22R AT ORD. LANDED NORMALLY. DISPATCH WAS CALLED TO ARRANGE TO HAVE A MAINT SUPVR MEET THE FLT.

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.