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A B737-300 was dispatched with #1 main fuel quantity system and center tank fuel quantity system inoperative and deferred.
| Attributes | |
| ACN | 354015 |
| Time | |
| Date | 199612 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : gso |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 354015 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other flight crewa other other : unspecified cockpit |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
In sum: as a system aircraft maintenance controller, the reporter authority/authorized the MEL deferral of the #1 main fuel quantity indicator. Later, the deferral of the center tank fuel quantity system was authority/authorized. The B737-300 MEL allows both to be deferred, but under the specifications for #1 fuel quantity indication, item C states the center tank fuel quantity indication must operate normally. The MEL specifications for the center tank fuel quantity system does not have this stated limit. The aircraft flew to XXX where it was removed from service for repair.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED WITH #1 MAIN FUEL QUANTITY SYS AND CTR TANK FUEL QUANTITY SYS INOP AND DEFERRED.
Narrative: IN SUM: AS A SYS ACFT MAINT CTLR, THE RPTR AUTH THE MEL DEFERRAL OF THE #1 MAIN FUEL QUANTITY INDICATOR. LATER, THE DEFERRAL OF THE CTR TANK FUEL QUANTITY SYS WAS AUTH. THE B737-300 MEL ALLOWS BOTH TO BE DEFERRED, BUT UNDER THE SPECS FOR #1 FUEL QUANTITY INDICATION, ITEM C STATES THE CTR TANK FUEL QUANTITY INDICATION MUST OPERATE NORMALLY. THE MEL SPECS FOR THE CTR TANK FUEL QUANTITY SYS DOES NOT HAVE THIS STATED LIMIT. THE ACFT FLEW TO XXX WHERE IT WAS REMOVED FROM SVC FOR REPAIR.
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.