 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
B737-400 mechanic found a previously MEL'ed deferred fuel boost pump. Maintenance was unable to duplicate low pressure on the ground.
| Attributes | |
| ACN | 633322 |
| Time | |
| Date | 200409 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| ASRS Report | 633322 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far non adherence : company policies |
| Independent Detector | other other : 1 |
| Resolutory Action | none taken : unable |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Company Aircraft Maintenance Human Performance |
| Primary Problem | Company |
Narrative:
Aircraft arrived with PIREP for l-hand wing forward fuel boost pump low psi light illumination in-flight with 5600 pounds of fuel in tank. Maintenance inspected aircraft and verified pump was ok with fuel xfer between tanks. Maintenance was unable to duplicate fault, MEL'ed low psi indication due to previous history.
Original NASA ASRS Text
Title: B737-400 MECH FOUND A PREVIOUSLY MEL'ED DEFERRED FUEL BOOST PUMP. MAINT WAS UNABLE TO DUPLICATE LOW PRESSURE ON THE GND.
Narrative: ACFT ARRIVED WITH PIREP FOR L-HAND WING FORWARD FUEL BOOST PUMP LOW PSI LIGHT ILLUMINATION INFLT WITH 5600 LBS OF FUEL IN TANK. MAINT INSPECTED ACFT AND VERIFIED PUMP WAS OK WITH FUEL XFER BTWN TANKS. MAINT WAS UNABLE TO DUPLICATE FAULT, MEL'ED LOW PSI INDICATION DUE TO PREVIOUS HISTORY.
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.