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A B737-700 had an escape slide changed for time. Incorrect slide was installed and not discovered by installing technician or inspector.
| Attributes | |
| ACN | 646110 |
| Time | |
| Date | 200502 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 14 |
| ASRS Report | 646110 |
| 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 : logbook entry performance deficiency : scheduled maintenance performance deficiency : installation |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
The slide was changed for time. On feb/fri/05; aircraft records found that the wrong part number was installed; and the correct one was then installed in ZZZ. When the slide was originally replaced in ZZZ1; the new slide was marked '737-700/800/900.' I was going to doublechk with the aircraft ipc for correct effectivity; but got sidetracked with other inspections and buybacks. The work card did not have any signoffs regarding effectivity; nor did it ever mention it; and I simply forgot about it. The parts tag was marked '737X;' and had no specific effectivity restr.
Original NASA ASRS Text
Title: A B737-700 HAD AN ESCAPE SLIDE CHANGED FOR TIME. INCORRECT SLIDE WAS INSTALLED AND NOT DISCOVERED BY INSTALLING TECHNICIAN OR INSPECTOR.
Narrative: THE SLIDE WAS CHANGED FOR TIME. ON FEB/FRI/05; ACFT RECORDS FOUND THAT THE WRONG PART NUMBER WAS INSTALLED; AND THE CORRECT ONE WAS THEN INSTALLED IN ZZZ. WHEN THE SLIDE WAS ORIGINALLY REPLACED IN ZZZ1; THE NEW SLIDE WAS MARKED '737-700/800/900.' I WAS GOING TO DOUBLECHK WITH THE ACFT IPC FOR CORRECT EFFECTIVITY; BUT GOT SIDETRACKED WITH OTHER INSPECTIONS AND BUYBACKS. THE WORK CARD DID NOT HAVE ANY SIGNOFFS REGARDING EFFECTIVITY; NOR DID IT EVER MENTION IT; AND I SIMPLY FORGOT ABOUT IT. THE PARTS TAG WAS MARKED '737X;' AND HAD NO SPECIFIC EFFECTIVITY RESTR.
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.