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A line mechanic reports he installed an incorrect emergency locator transmitter (ELT) on a B737 aircraft while completing the emergency equipment portion of a jobcard.
| Attributes | |
| ACN | 943498 |
| Time | |
| Date | 201104 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Experience | Maintenance Lead Technician 0 Maintenance Technician 16 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
My job was 'emergency equipment.' part of my duties are included in the maintenance jobcard. The aircraft I worked this particular night was one of the older B737's in the fleet. As I was checking the fwd emergency locator transmitter (ELT) located on the right side of the cabin; I found this ELT to be missing the hold-down tape for the antenna and the string wrap around it was loose and coming undone. I noticed that the jobcard had just been revised and these revisions were pertinent to the ELT. I read the revision to determine the part number (P/north) for a replacement ELT. From the information on the jobcard; it states to no longer use locator XXX. There is a note on jobcard at step 5.C.2; that indicates the use of transmitter YYY. This is what I ordered from stores and installed onto the B737 aircraft. When filling out the FAA-8130 serviceability tag; I thought the ELT I removed was a locator XXX; and that is what I put on the FAA-8130 tag. I found out that I should have used a locator ZZZ instead of transmitter YYY during the company investigation.
Original NASA ASRS Text
Title: A Line Mechanic reports he installed an incorrect Emergency Locator Transmitter (ELT) on a B737 aircraft while completing the emergency equipment portion of a jobcard.
Narrative: My job was 'emergency equipment.' Part of my duties are included in the maintenance jobcard. The aircraft I worked this particular night was one of the older B737's in the fleet. As I was checking the FWD Emergency Locator Transmitter (ELT) located on the right side of the cabin; I found this ELT to be missing the hold-down tape for the antenna and the string wrap around it was loose and coming undone. I noticed that the jobcard had just been revised and these revisions were pertinent to the ELT. I read the revision to determine the Part Number (P/N) for a replacement ELT. From the information on the jobcard; it states to no longer use Locator XXX. There is a note on jobcard at Step 5.C.2; that indicates the use of Transmitter YYY. This is what I ordered from Stores and installed onto the B737 aircraft. When filling out the FAA-8130 serviceability tag; I thought the ELT I removed was a Locator XXX; and that is what I put on the FAA-8130 tag. I found out that I should have used a Locator ZZZ instead of Transmitter YYY during the company investigation.
Data retrieved from NASA's ASRS site as of April 2012 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.