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A B737-700 was dispatched in non compliance with a control display test unit installed, original unit robbed for another aircraft. No log write-up made for robbed part.
| Attributes | |
| ACN | 556055 |
| Time | |
| Date | 200208 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : fcm.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : lead technician |
| Qualification | technician : repairman technician : fcc technician : inspection authority |
| Experience | maintenance avionics : 14 maintenance lead technician : 5 maintenance repairman : 4 maintenance technician : 14 |
| ASRS Report | 556055 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : non availability of parts contributing factor : schedule pressure performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Control display unit was removed for another aircraft close to shift change. Logbook entry for removal of control display unit was not entered. Test lru was installed for functional check and aircraft was dispatched with test lru. How the problem arose: no spare part. Contributing factors: shortage of time at shift change. How it was discovered: no proper paperwork found.
Original NASA ASRS Text
Title: A B737-700 WAS DISPATCHED IN NON COMPLIANCE WITH A CTL DISPLAY TEST UNIT INSTALLED, ORIGINAL UNIT ROBBED FOR ANOTHER ACFT. NO LOG WRITE-UP MADE FOR ROBBED PART.
Narrative: CTL DISPLAY UNIT WAS REMOVED FOR ANOTHER ACFT CLOSE TO SHIFT CHANGE. LOGBOOK ENTRY FOR REMOVAL OF CTL DISPLAY UNIT WAS NOT ENTERED. TEST LRU WAS INSTALLED FOR FUNCTIONAL CHK AND ACFT WAS DISPATCHED WITH TEST LRU. HOW THE PROB AROSE: NO SPARE PART. CONTRIBUTING FACTORS: SHORTAGE OF TIME AT SHIFT CHANGE. HOW IT WAS DISCOVERED: NO PROPER PAPERWORK FOUND.
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.