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C172 flight instructor and student experienced smoke from under the instrument panel while cruising at 2000 ft. They diverted.
| Attributes | |
| ACN | 532104 |
| Time | |
| Date | 200112 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hio.airport |
| State Reference | OR |
| Altitude | msl single value : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : hio.tower |
| Operator | general aviation : instructional |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | other |
| Function | instruction : instructor |
| Qualification | pilot : multi engine pilot : commercial pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 54 flight time total : 1479 flight time type : 176 |
| ASRS Report | 532104 |
| Person 2 | |
| Affiliation | other |
| Function | instruction : trainee |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : provided flight assist flight crew : declared emergency flight crew : landed as precaution |
| Consequence | other |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
Narrative:
En route on a dual cross country flight, we had a momentary puff of smoke from under the left instrument panel near the circuit breakers. We were flying a C172. We diverted, called the tower and received priority to land. Subsequent inspection showed no evidence of fire. The ADF radio had been removed for repair by the radio shop prior to this flight. The aircraft had been flown several hours since the maintenance with no problems. The thought was one of the wires were left open at radio removal and shorted. After inspection and test of the system (which checked normal), I flew the plane back to its home base and grounded the airplane for further inspection. I also called the FSDO and made the required report of the incident. Maybe I should have grounded the airplane and called the FSDO from there. I was unsure if the incident qualified as a fire. I called when I got back just to cover all the bases and for the safety of flight.
Original NASA ASRS Text
Title: C172 FLT INSTRUCTOR AND STUDENT EXPERIENCED SMOKE FROM UNDER THE INST PANEL WHILE CRUISING AT 2000 FT. THEY DIVERTED.
Narrative: ENRTE ON A DUAL XCOUNTRY FLT, WE HAD A MOMENTARY PUFF OF SMOKE FROM UNDER THE L INST PANEL NEAR THE CIRCUIT BREAKERS. WE WERE FLYING A C172. WE DIVERTED, CALLED THE TWR AND RECEIVED PRIORITY TO LAND. SUBSEQUENT INSPECTION SHOWED NO EVIDENCE OF FIRE. THE ADF RADIO HAD BEEN REMOVED FOR REPAIR BY THE RADIO SHOP PRIOR TO THIS FLT. THE ACFT HAD BEEN FLOWN SEVERAL HRS SINCE THE MAINT WITH NO PROBS. THE THOUGHT WAS ONE OF THE WIRES WERE LEFT OPEN AT RADIO REMOVAL AND SHORTED. AFTER INSPECTION AND TEST OF THE SYS (WHICH CHKED NORMAL), I FLEW THE PLANE BACK TO ITS HOME BASE AND GNDED THE AIRPLANE FOR FURTHER INSPECTION. I ALSO CALLED THE FSDO AND MADE THE REQUIRED RPT OF THE INCIDENT. MAYBE I SHOULD HAVE GNDED THE AIRPLANE AND CALLED THE FSDO FROM THERE. I WAS UNSURE IF THE INCIDENT QUALIFIED AS A FIRE. I CALLED WHEN I GOT BACK JUST TO COVER ALL THE BASES AND FOR THE SAFETY OF 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.