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A B777 had a secondary attitude air data reference unit replaced but the aircraft was not removed from autoland status per gpm.
| Attributes | |
| ACN | 606481 |
| Time | |
| Date | 200401 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician oversight : supervisor |
| ASRS Report | 606481 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation maintenance problem : non compliance with mel non adherence : company policies non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : non availability of parts contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : testing performance deficiency : non compliance with legal requirements performance deficiency : installation |
| Supplementary | |
| Problem Areas | Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Borrowed a secondary attitude air data reference unit (UNI1108) from company Y and installed on aircraft. Aircraft status for lmp was not downgraded. Aircraft release for er signed by me without ensuring downgrade accomplished.
Original NASA ASRS Text
Title: A B777 HAD A SECONDARY ATTITUDE AIR DATA REF UNIT REPLACED BUT THE ACFT WAS NOT REMOVED FROM AUTOLAND STATUS PER GPM.
Narrative: BORROWED A SECONDARY ATTITUDE AIR DATA REF UNIT (UNI1108) FROM COMPANY Y AND INSTALLED ON ACFT. ACFT STATUS FOR LMP WAS NOT DOWNGRADED. ACFT RELEASE FOR ER SIGNED BY ME WITHOUT ENSURING DOWNGRADE ACCOMPLISHED.
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.