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A B757-200 had WX radar repaired but not tested with radiation per the maintenance manual due to safety consideration with aircraft being at a gate.
| Attributes | |
| ACN | 440118 |
| Time | |
| Date | 199906 |
| Day | Tue |
| 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 | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : fcc |
| ASRS Report | 440118 |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper maintenance non adherence : published procedure |
| Independent Detector | other other : 968 |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : testing |
| Supplementary | |
| Problem Areas | Environmental Factor Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
I replaced a WX radar transceiver due to a PIREP for WX radar spoking. I did a ground check of the system by putting it in the test mode and checking the test pattern, which is the check for some of our fleet. After returning to the shop, I pulled the maintenance manual reference and found that I did not do the required test, which includes activating the WX radar and looking for returns. (I might add the requirements for safety, the maintenance manual operations check cannot be accomplished with the aircraft at the gate.) from now on I will read the maintenance manual before accomplishing the work and will comply with the ert recommendations.
Original NASA ASRS Text
Title: A B757-200 HAD WX RADAR REPAIRED BUT NOT TESTED WITH RADIATION PER THE MAINT MANUAL DUE TO SAFETY CONSIDERATION WITH ACFT BEING AT A GATE.
Narrative: I REPLACED A WX RADAR TRANSCEIVER DUE TO A PIREP FOR WX RADAR SPOKING. I DID A GND CHK OF THE SYS BY PUTTING IT IN THE TEST MODE AND CHKING THE TEST PATTERN, WHICH IS THE CHK FOR SOME OF OUR FLEET. AFTER RETURNING TO THE SHOP, I PULLED THE MAINT MANUAL REF AND FOUND THAT I DID NOT DO THE REQUIRED TEST, WHICH INCLUDES ACTIVATING THE WX RADAR AND LOOKING FOR RETURNS. (I MIGHT ADD THE REQUIREMENTS FOR SAFETY, THE MAINT MANUAL OPS CHK CANNOT BE ACCOMPLISHED WITH THE ACFT AT THE GATE.) FROM NOW ON I WILL READ THE MAINT MANUAL BEFORE ACCOMPLISHING THE WORK AND WILL COMPLY WITH THE ERT RECOMMENDATIONS.
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.