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A B737-200 had the incorrect nose landing gear lower torsion link installed. Technician did not check part received from stores with illustrated parts catalog prior to installation.
| Attributes | |
| ACN | 705101 |
| Time | |
| Date | 200605 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 705101 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Independent Detector | other other : 2 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : inspection performance deficiency : scheduled maintenance performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Chart Or Publication Environmental Factor |
| Primary Problem | Maintenance Human Performance |
Narrative:
On may/sun/06; a B737-200 lower nlg torsion link was installed. The incorrect part may have been issued because: 1) I entered the incorrect manufacturer dash number when ordering (both -200 and -400 share the same basic part number). 2) the wrong part was pulled from stores. As the person signing off the initial paperwork I did not confirm the manufacturer part number against the illustrated parts catalog. The assumption that the correct part was issued/installed; is the ultimate reason this event occurred.
Original NASA ASRS Text
Title: A B737-200 HAD THE INCORRECT NOSE LNDG GEAR LOWER TORSION LINK INSTALLED. TECHNICIAN DID NOT CHK PART RECEIVED FROM STORES WITH ILLUSTRATED PARTS CATALOG PRIOR TO INSTALLATION.
Narrative: ON MAY/SUN/06; A B737-200 LOWER NLG TORSION LINK WAS INSTALLED. THE INCORRECT PART MAY HAVE BEEN ISSUED BECAUSE: 1) I ENTERED THE INCORRECT MANUFACTURER DASH NUMBER WHEN ORDERING (BOTH -200 AND -400 SHARE THE SAME BASIC PART NUMBER). 2) THE WRONG PART WAS PULLED FROM STORES. AS THE PERSON SIGNING OFF THE INITIAL PAPERWORK I DID NOT CONFIRM THE MANUFACTURER PART NUMBER AGAINST THE ILLUSTRATED PARTS CATALOG. THE ASSUMPTION THAT THE CORRECT PART WAS ISSUED/INSTALLED; IS THE ULTIMATE REASON THIS EVENT OCCURRED.
Data retrieved from NASA's ASRS site as of January 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.