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A B737-300 was dispatched in non-compliance with the wrong main landing gear brake hydraulic fuses installed.
| Attributes | |
| ACN | 566607 |
| Time | |
| Date | 200211 |
| Day | Mon |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 28 |
| ASRS Report | 566607 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance maintenance problem : improper documentation non adherence : published procedure non adherence : far |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : manuals contributing factor : non availability of parts performance deficiency : non compliance with legal requirements performance deficiency : logbook entry performance deficiency : scheduled maintenance performance deficiency : installation |
| Supplementary | |
| Problem Areas | Company Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
I was assigned to replace the left and right alternate brakes' hydraulic fuses on aircraft B737-300 for time change. I noticed that the parts I received (company part #93226) were physically different than the parts installed on the aircraft (company part #33203). The part numbers were called out (93226) on the work release I received for the aircraft. I checked the ipc, but the page displayed in the reader/printer was illegible. I proceeded to replace the fuses. I then called air carrier maintenance controller and informed him of the situation with the reader/printer and our computer system (no ipc on e-pubs). I asked him to check the effectiveness of the 93226 fuses, and he told me that they were standardized that wide. I wrongly assumed that the dde screen parts change misconfigure was in error. The aircraft was stopped in ZZZ by maintenance there. Aircraft records found the problem and stopped the flight. ZZZ replaced the fuses with the correct part number units. I should have questioned the parts with the maintenance duty manager.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED IN NON-COMPLIANCE WITH THE WRONG MAIN LNDG GEAR BRAKE HYD FUSES INSTALLED.
Narrative: I WAS ASSIGNED TO REPLACE THE L AND R ALTERNATE BRAKES' HYD FUSES ON ACFT B737-300 FOR TIME CHANGE. I NOTICED THAT THE PARTS I RECEIVED (COMPANY PART #93226) WERE PHYSICALLY DIFFERENT THAN THE PARTS INSTALLED ON THE ACFT (COMPANY PART #33203). THE PART NUMBERS WERE CALLED OUT (93226) ON THE WORK RELEASE I RECEIVED FOR THE ACFT. I CHKED THE IPC, BUT THE PAGE DISPLAYED IN THE READER/PRINTER WAS ILLEGIBLE. I PROCEEDED TO REPLACE THE FUSES. I THEN CALLED ACR MAINT CTLR AND INFORMED HIM OF THE SIT WITH THE READER/PRINTER AND OUR COMPUTER SYS (NO IPC ON E-PUBS). I ASKED HIM TO CHK THE EFFECTIVENESS OF THE 93226 FUSES, AND HE TOLD ME THAT THEY WERE STANDARDIZED THAT WIDE. I WRONGLY ASSUMED THAT THE DDE SCREEN PARTS CHANGE MISCONFIGURE WAS IN ERROR. THE ACFT WAS STOPPED IN ZZZ BY MAINT THERE. ACFT RECORDS FOUND THE PROB AND STOPPED THE FLT. ZZZ REPLACED THE FUSES WITH THE CORRECT PART NUMBER UNITS. I SHOULD HAVE QUESTIONED THE PARTS WITH THE MAINT DUTY MANAGER.
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.