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A bell 407 was dispatched and operated in non compliance on 2 occasions with required airworthiness directive inspections overdue and not accomplished.
| Attributes | |
| ACN | 437713 |
| Time | |
| Date | 199909 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : atl.tower |
| Operator | common carrier : air taxi |
| Make Model Name | Jet Ranger III |
| Operating Under FAR Part | Part 135 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | maintenance : technician |
| Qualification | technician : inspection authority technician : powerplant technician : airframe |
| Experience | maintenance technician : 32 |
| ASRS Report | 437713 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : far |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : scheduled maintenance |
| Supplementary | |
| Problem Areas | Company Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
| Situations | |
| Publication | AD 94-24-17 |
Narrative:
Airworthiness directive 94-24-17 due each 25 hours to grease blower bearings. Inspected tailrotor drive shaft thomas couplings and check torque on tailrotor gearbox mount stud nuts. Inspection due aircraft total time 130.2 has airworthiness directive signed off at 131.3 hour inspection due at aircraft total time 156.3 accomplished at 156.7. Dates occurred #1, sep/xa/98, sep/xc/98. No other occurrences noted to this date may/xd/99. Reminded mechanic that airworthiness directive must be accomplished at or before his due and no overfly allowed. Mechanic realized it was an oversight on his part and is well aware of no overfly is allowed.
Original NASA ASRS Text
Title: A BELL 407 WAS DISPATCHED AND OPERATED IN NON COMPLIANCE ON 2 OCCASIONS WITH REQUIRED AIRWORTHINESS DIRECTIVE INSPECTIONS OVERDUE AND NOT ACCOMPLISHED.
Narrative: AIRWORTHINESS DIRECTIVE 94-24-17 DUE EACH 25 HRS TO GREASE BLOWER BEARINGS. INSPECTED TAILROTOR DRIVE SHAFT THOMAS COUPLINGS AND CHK TORQUE ON TAILROTOR GEARBOX MOUNT STUD NUTS. INSPECTION DUE ACFT TOTAL TIME 130.2 HAS AIRWORTHINESS DIRECTIVE SIGNED OFF AT 131.3 HR INSPECTION DUE AT ACFT TOTAL TIME 156.3 ACCOMPLISHED AT 156.7. DATES OCCURRED #1, SEP/XA/98, SEP/XC/98. NO OTHER OCCURRENCES NOTED TO THIS DATE MAY/XD/99. REMINDED MECH THAT AIRWORTHINESS DIRECTIVE MUST BE ACCOMPLISHED AT OR BEFORE HIS DUE AND NO OVERFLY ALLOWED. MECH REALIZED IT WAS AN OVERSIGHT ON HIS PART AND IS WELL AWARE OF NO OVERFLY IS ALLOWED.
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.