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A B727 air carrier flight crew discover that a trailing edge wingtip light (white) is inoperative and decide to depart anyway after misreading the MEL. The departure was before official sunrise.
| Attributes | |
| ACN | 366100 |
| Time | |
| Date | 199704 |
| Day | Mon |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : cyeq airport : cyeg |
| State Reference | AB |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : commercial pilot : flight engineer pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 19 flight time total : 2250 flight time type : 19 |
| ASRS Report | 366100 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 6000 flight time type : 1000 |
| ASRS Report | 366237 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I discovered a trailing edge light on the right wing was inoperative on preflight. Checking the MEL, I mistakenly determined the aircraft was ok to fly night without it. I looked under an MEL item for the wrong ship number. Because the MEL item I looked at did not require dispatcher approval, we placarded it ourselves. Extenuating circumstances: my lack of experience. This is my first rotation after completing new hire training and IOE. We, as a crew, were dealing with 3 other minor maintenance irregularities which were resolved.
Original NASA ASRS Text
Title: A B727 ACR FLC DISCOVER THAT A TRAILING EDGE WINGTIP LIGHT (WHITE) IS INOP AND DECIDE TO DEPART ANYWAY AFTER MISREADING THE MEL. THE DEP WAS BEFORE OFFICIAL SUNRISE.
Narrative: I DISCOVERED A TRAILING EDGE LIGHT ON THE R WING WAS INOP ON PREFLT. CHKING THE MEL, I MISTAKENLY DETERMINED THE ACFT WAS OK TO FLY NIGHT WITHOUT IT. I LOOKED UNDER AN MEL ITEM FOR THE WRONG SHIP NUMBER. BECAUSE THE MEL ITEM I LOOKED AT DID NOT REQUIRE DISPATCHER APPROVAL, WE PLACARDED IT OURSELVES. EXTENUATING CIRCUMSTANCES: MY LACK OF EXPERIENCE. THIS IS MY FIRST ROTATION AFTER COMPLETING NEW HIRE TRAINING AND IOE. WE, AS A CREW, WERE DEALING WITH 3 OTHER MINOR MAINT IRREGULARITIES WHICH WERE RESOLVED.
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.