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A B737-300 returned to the field due to door 1L air leak caused by a door snubber incorrectly installed.
| Attributes | |
| ACN | 648691 |
| Time | |
| Date | 200502 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance repairman : 6 maintenance technician : 18 |
| ASRS Report | 648691 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Qualification | technician : powerplant technician : inspection authority technician : airframe |
| Experience | maintenance avionics : 20 maintenance technician : 20 |
| ASRS Report | 648633 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : cabin pressure leak indication other flight crewa other flight crewb |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : inspection performance deficiency : installation |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
On feb/sun/05; I was assigned to work aircraft X door 1L -- difficult to close. I replaced door snubber and lower hinge seal and adjusted door stops. Pressurized aircraft to 6.0 dpsi with no air leaks noted. When I came in to work the next day; I was told of the aircraft return to field for air leak at door 1L. It was noted that the snubber was installed with service port installed in wrong direction; causing lower gate seal to stick open. The maintenance manual is very clear on this; but I misinterped it.
Original NASA ASRS Text
Title: A B737-300 RETURNED TO THE FIELD DUE TO DOOR 1L AIR LEAK CAUSED BY A DOOR SNUBBER INCORRECTLY INSTALLED.
Narrative: ON FEB/SUN/05; I WAS ASSIGNED TO WORK ACFT X DOOR 1L -- DIFFICULT TO CLOSE. I REPLACED DOOR SNUBBER AND LOWER HINGE SEAL AND ADJUSTED DOOR STOPS. PRESSURIZED ACFT TO 6.0 DPSI WITH NO AIR LEAKS NOTED. WHEN I CAME IN TO WORK THE NEXT DAY; I WAS TOLD OF THE ACFT RETURN TO FIELD FOR AIR LEAK AT DOOR 1L. IT WAS NOTED THAT THE SNUBBER WAS INSTALLED WITH SVC PORT INSTALLED IN WRONG DIRECTION; CAUSING LOWER GATE SEAL TO STICK OPEN. THE MAINT MANUAL IS VERY CLR ON THIS; BUT I MISINTERPED IT.
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.