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An air carrier light transport flew a trip with an inoperative vsi against the best wishes of the flight crew.
| Attributes | |
| ACN | 249671 |
| Time | |
| Date | 199308 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mem |
| State Reference | TN |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 198 flight time total : 6396 flight time type : 4229 |
| ASRS Report | 249671 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 5400 flight time type : 350 |
| ASRS Report | 249807 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
| Situations | |
| Publication | Unspecified |
Narrative:
During preflight, maintenance was deferring the vsi. The MEL states it is ok as long as day and VFR conditions exist. I informed maintenance we fly on instrument flight plans and talked to dispatch. Dispatch determined flight was legal. I informed the chief pilot and the senior director of operations and both determined flight was legal. Since the senior director of operations and the chief pilot have operational control of airline and said flight was legal, the flight was conducted. My company said it was going to have the wording changed from VFR to VMC in the MEL. Supplemental information from acn 249807: the director of operations said that an incorrect decision was made by the previous company personnel. The aircraft was removed from service to be fixed.
Original NASA ASRS Text
Title: AN ACR LTT FLEW A TRIP WITH AN INOP VSI AGAINST THE BEST WISHES OF THE FLC.
Narrative: DURING PREFLT, MAINT WAS DEFERRING THE VSI. THE MEL STATES IT IS OK AS LONG AS DAY AND VFR CONDITIONS EXIST. I INFORMED MAINT WE FLY ON INST FLT PLANS AND TALKED TO DISPATCH. DISPATCH DETERMINED FLT WAS LEGAL. I INFORMED THE CHIEF PLT AND THE SENIOR DIRECTOR OF OPS AND BOTH DETERMINED FLT WAS LEGAL. SINCE THE SENIOR DIRECTOR OF OPS AND THE CHIEF PLT HAVE OPERATIONAL CTL OF AIRLINE AND SAID FLT WAS LEGAL, THE FLT WAS CONDUCTED. MY COMPANY SAID IT WAS GOING TO HAVE THE WORDING CHANGED FROM VFR TO VMC IN THE MEL. SUPPLEMENTAL INFORMATION FROM ACN 249807: THE DIRECTOR OF OPS SAID THAT AN INCORRECT DECISION WAS MADE BY THE PREVIOUS COMPANY PERSONNEL. THE ACFT WAS REMOVED FROM SVC TO BE FIXED.
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.