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A beech 35 was released for service with the elevator-rudder trim tabs and tab hinge pins installed incorrectly.
| Attributes | |
| ACN | 573691 |
| Time | |
| Date | 200302 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Bonanza 35 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | other |
| Function | maintenance : technician |
| Qualification | technician : inspection authority technician : powerplant technician : airframe |
| ASRS Report | 573691 |
| Person 2 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : assigned or threatened penalties other |
| Factors | |
| Maintenance | contributing factor : manuals performance deficiency : logbook entry performance deficiency : installation performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft failed to have the proper amount of down trim due to the following conditions: 1) both rudder rotor trim tabs were installed upside-down. 2) both trim tab hinge pins were installed incorrectly. Callback conversation with reporter revealed the following information: the reporter stated the airplane was a beech 35 and the work was accomplished by the reporter using an old outdated maintenance manual for reference. The reporter said some models of the beech 35 require the same installation procedures as the reporter installed but others do not. The reporter said the FAA investigated and have resolved the situation to the reporter's satisfaction.
Original NASA ASRS Text
Title: A BEECH 35 WAS RELEASED FOR SVC WITH THE ELEVATOR-RUDDER TRIM TABS AND TAB HINGE PINS INSTALLED INCORRECTLY.
Narrative: ACFT FAILED TO HAVE THE PROPER AMOUNT OF DOWN TRIM DUE TO THE FOLLOWING CONDITIONS: 1) BOTH RUDDER ROTOR TRIM TABS WERE INSTALLED UPSIDE-DOWN. 2) BOTH TRIM TAB HINGE PINS WERE INSTALLED INCORRECTLY. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE AIRPLANE WAS A BEECH 35 AND THE WORK WAS ACCOMPLISHED BY THE RPTR USING AN OLD OUTDATED MAINT MANUAL FOR REF. THE RPTR SAID SOME MODELS OF THE BEECH 35 REQUIRE THE SAME INSTALLATION PROCS AS THE RPTR INSTALLED BUT OTHERS DO NOT. THE RPTR SAID THE FAA INVESTIGATED AND HAVE RESOLVED THE SIT TO THE RPTR'S SATISFACTION.
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.