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Flight crew of a medium large transport operated the aircraft per an MEL when 1 pitot system was indicating a fault.
| Attributes | |
| ACN | 276910 |
| Time | |
| Date | 199407 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : instrument pilot : flight engineer pilot : commercial |
| Experience | flight time last 90 days : 160 flight time total : 2500 flight time type : 600 |
| ASRS Report | 276910 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 5500 flight time type : 400 |
| ASRS Report | 276917 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
While preflting F-100 fokker at ord approximately XA00 hours I noticed a #3 pitot heat fault light and called maintenance. They responded to our flight at which time they replaced the #3 pitot tube and again reset the system. The system again faulted however maintenance and the captain verified the system was operating normally despite the fault light. According to the MEL, this is all that is necessary for dispatch and flight. We then flew the aircraft to phl with no incident. According to the MEL and our interpretation thereof, there was no restr on flying the aircraft because the pitot system was verified working normally by maintenance and only the fault light was erroneous.
Original NASA ASRS Text
Title: FLC OF A MLG OPERATED THE ACFT PER AN MEL WHEN 1 PITOT SYS WAS INDICATING A FAULT.
Narrative: WHILE PREFLTING F-100 FOKKER AT ORD APPROX XA00 HRS I NOTICED A #3 PITOT HEAT FAULT LIGHT AND CALLED MAINT. THEY RESPONDED TO OUR FLT AT WHICH TIME THEY REPLACED THE #3 PITOT TUBE AND AGAIN RESET THE SYS. THE SYS AGAIN FAULTED HOWEVER MAINT AND THE CAPT VERIFIED THE SYS WAS OPERATING NORMALLY DESPITE THE FAULT LIGHT. ACCORDING TO THE MEL, THIS IS ALL THAT IS NECESSARY FOR DISPATCH AND FLT. WE THEN FLEW THE ACFT TO PHL WITH NO INCIDENT. ACCORDING TO THE MEL AND OUR INTERP THEREOF, THERE WAS NO RESTR ON FLYING THE ACFT BECAUSE THE PITOT SYS WAS VERIFIED WORKING NORMALLY BY MAINT AND ONLY THE FAULT LIGHT WAS ERRONEOUS.
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.