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Mechanic notices an outside vendor overhauled B-777 nose steering actuator would not fit on the actuator steering plate due to out of round bearing journal.
| Attributes | |
| ACN | 779917 |
| Time | |
| Date | 200802 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 779917 |
| Events | |
| Anomaly | maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : non compliance with legal requirements performance deficiency : repair performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Company Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Steering actuator part was received with bearing journal out of round. Would not fit on steering plate. Part had to be sent back. Callback conversation with reporter revealed the following information: reporter stated the outside vendor did not overhaul the steering actuator bearing journal to the manufacturer's required specifications. This was found when mechanic realized the vendor overhauled steering actuator journal would not fit into the steering plate cutouts.
Original NASA ASRS Text
Title: MECHANIC NOTICES AN OUTSIDE VENDOR OVERHAULED B-777 NOSE STEERING ACTUATOR WOULD NOT FIT ON THE ACTUATOR STEERING PLATE DUE TO OUT OF ROUND BEARING JOURNAL.
Narrative: STEERING ACTUATOR PART WAS RECEIVED WITH BEARING JOURNAL OUT OF ROUND. WOULD NOT FIT ON STEERING PLATE. PART HAD TO BE SENT BACK. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: REPORTER STATED THE OUTSIDE VENDOR DID NOT OVERHAUL THE STEERING ACTUATOR BEARING JOURNAL TO THE MANUFACTURER'S REQUIRED SPECIFICATIONS. THIS WAS FOUND WHEN MECHANIC REALIZED THE VENDOR OVERHAULED STEERING ACTUATOR JOURNAL WOULD NOT FIT INTO THE STEERING PLATE CUTOUTS.
Data retrieved from NASA's ASRS site as of May 2009 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.