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A B757-200 was released from heavy maintenance with reports of steering binding when making left turns. Found tiller shaft nut over-torqued.
| Attributes | |
| ACN | 631563 |
| Time | |
| Date | 200409 |
| Day | Fri |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 18 |
| ASRS Report | 631563 |
| Person 2 | |
| Affiliation | other |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : company policies |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other other |
| Factors | |
| Maintenance | performance deficiency : scheduled maintenance performance deficiency : training performance deficiency : non compliance with legal requirements performance deficiency : installation performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Company Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
| Situations | |
| Publication | Nose Gear Overhaul Manual |
Narrative:
This aircraft was just released from a heavy check and gear change on sep/mon/04. The log write-up states 'that the steering binds when making left turns.' the aircraft was taken OTS and investigated and maintenance found the tiller input shaft-nut over-torqued by air carrier outside vendor. Maintenance in ZZZ replaced the nut and retorqued per our 'company' specifications.
Original NASA ASRS Text
Title: A B757-200 WAS RELEASED FROM HVY MAINT WITH RPTS OF STEERING BINDING WHEN MAKING L TURNS. FOUND TILLER SHAFT NUT OVER-TORQUED.
Narrative: THIS ACFT WAS JUST RELEASED FROM A HVY CHK AND GEAR CHANGE ON SEP/MON/04. THE LOG WRITE-UP STATES 'THAT THE STEERING BINDS WHEN MAKING L TURNS.' THE ACFT WAS TAKEN OTS AND INVESTIGATED AND MAINT FOUND THE TILLER INPUT SHAFT-NUT OVER-TORQUED BY ACR OUTSIDE VENDOR. MAINT IN ZZZ REPLACED THE NUT AND RETORQUED PER OUR 'COMPANY' SPECS.
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.