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With captain's ivsi inoperative, mechanics made mistake in deferring it. The first officer ivsi is deferrable, but not the captain's. It was replaced at next stop.
| Attributes | |
| ACN | 332024 |
| Time | |
| Date | 199603 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : fll |
| State Reference | FL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 2500 flight time type : 1000 |
| ASRS Report | 332024 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During 'before start ground power' checklist, captain noticed his ivsi appeared inoperative. At completion of checklist, captain asked mechanics, who were outside aircraft to check instrument. Mechanics said ivsi can be deferred and continued to do so. We departed and on our return trip to miami, operations told us that mechanics are meeting us in miami. Upon arrival, mechanics replaced ivsi and deferred item was cleared. Following day, management told us captain's ivsi cannot be deferred. Only the copilot's ivsi is deferrable for day VMC only. The MEL was misread.
Original NASA ASRS Text
Title: WITH CAPT'S IVSI INOP, MECHS MADE MISTAKE IN DEFERRING IT. THE FO IVSI IS DEFERRABLE, BUT NOT THE CAPT'S. IT WAS REPLACED AT NEXT STOP.
Narrative: DURING 'BEFORE START GND PWR' CHKLIST, CAPT NOTICED HIS IVSI APPEARED INOP. AT COMPLETION OF CHKLIST, CAPT ASKED MECHS, WHO WERE OUTSIDE ACFT TO CHK INST. MECHS SAID IVSI CAN BE DEFERRED AND CONTINUED TO DO SO. WE DEPARTED AND ON OUR RETURN TRIP TO MIAMI, OPS TOLD US THAT MECHS ARE MEETING US IN MIAMI. UPON ARR, MECHS REPLACED IVSI AND DEFERRED ITEM WAS CLRED. FOLLOWING DAY, MGMNT TOLD US CAPT'S IVSI CANNOT BE DEFERRED. ONLY THE COPLT'S IVSI IS DEFERRABLE FOR DAY VMC ONLY. THE MEL WAS MISREAD.
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.