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A B737-300 was dispatched with the incorrect FMC display unit installed in the first officer's position.
| Attributes | |
| ACN | 637669 |
| Time | |
| Date | 200410 |
| Day | Mon |
| 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 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 637669 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| 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 : logbook entry performance deficiency : installation |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
On oct/mon/04 I ws working day line flight abc. Aircraft X was inbound at approximately XA00. First officer's #2 CDU push buttons hard to push. I right&right'ed the #2 CDU. Since this incident happened more than a month ago, I can't remember if I pulled the part and maintenance computer parts compatibility list or my lead pulled the part and I installed it. I wasn't aware of this until I was contacted on nov/mon/04 around XA00.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED WITH THE INCORRECT FMC DISPLAY UNIT INSTALLED IN THE FO'S POS.
Narrative: ON OCT/MON/04 I WS WORKING DAY LINE FLT ABC. ACFT X WAS INBOUND AT APPROX XA00. FO'S #2 CDU PUSH BUTTONS HARD TO PUSH. I R&R'ED THE #2 CDU. SINCE THIS INCIDENT HAPPENED MORE THAN A MONTH AGO, I CAN'T REMEMBER IF I PULLED THE PART AND MAINT COMPUTER PARTS COMPATIBILITY LIST OR MY LEAD PULLED THE PART AND I INSTALLED IT. I WASN'T AWARE OF THIS UNTIL I WAS CONTACTED ON NOV/MON/04 AROUND XA00.
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.