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PIC of commuter light transport questioned MEL requirement. Maintenance and dispatch confirmed that emergency lights could be deffered. Manufacturer later denied this and confirmed that emergency lights were not deferrable.
| Attributes | |
| ACN | 106380 |
| Time | |
| Date | 198903 |
| Day | Thu |
| Place | |
| Locale Reference | atc facility : cys |
| State Reference | WY |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| 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 : commercial pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 4400 flight time type : 300 |
| ASRS Report | 106380 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel |
| Qualification | other |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Airport |
| Air Traffic Incident | other |
Narrative:
The airplane had a deferred item 'emergency lights.' I took the MEL list to dispatch and maintenance and showed them that the MEL did not state anything about the emergency lights. They said it was part of the cockpit lighting which was deferrable. Later in the week maintenance found out from manufacturer that the emergency lights were not deferrable. Seven days later I was told by chief pilots office the lights were not deferrable.
Original NASA ASRS Text
Title: PIC OF COMMUTER LTT QUESTIONED MEL REQUIREMENT. MAINTENANCE AND DISPATCH CONFIRMED THAT EMERGENCY LIGHTS COULD BE DEFFERED. MANUFACTURER LATER DENIED THIS AND CONFIRMED THAT EMERGENCY LIGHTS WERE NOT DEFERRABLE.
Narrative: THE AIRPLANE HAD A DEFERRED ITEM 'EMER LIGHTS.' I TOOK THE MEL LIST TO DISPATCH AND MAINT AND SHOWED THEM THAT THE MEL DID NOT STATE ANYTHING ABOUT THE EMER LIGHTS. THEY SAID IT WAS PART OF THE COCKPIT LIGHTING WHICH WAS DEFERRABLE. LATER IN THE WEEK MAINT FOUND OUT FROM MANUFACTURER THAT THE EMER LIGHTS WERE NOT DEFERRABLE. SEVEN DAYS LATER I WAS TOLD BY CHIEF PLTS OFFICE THE LIGHTS WERE NOT DEFERRABLE.
Data retrieved from NASA's ASRS site as of August 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.