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A B727 was dispatched in darkness in non compliance with a navigation light inoperative and no logbook or deferred item entered.
| Attributes | |
| ACN | 477320 |
| Time | |
| Date | 200006 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 30 flight time total : 6500 flight time type : 1000 |
| ASRS Report | 477320 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : repair performance deficiency : installation performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Maintenance Human Performance Aircraft Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
After the preflight, the flight engineer notified the mechanic that one of the navigation lights was burnt out. The mechanic came up to the cockpit and informed the captain that it was complicated and we might be delayed. The captain asked how many lights we had out there. The mechanic said 2. We have some planes in the fleet with 2 bulbs on both sides and the captain thought we had one of those planes on this flight. We took off without the mechanic fixing the navigation light. When we got to our destination, the mechanic came into the cockpit as the door opened and informed us that we had no navigation light on one side. It took the mechanic about 10 mins to fix it and we continued with the next flight.
Original NASA ASRS Text
Title: A B727 WAS DISPATCHED IN DARKNESS IN NON COMPLIANCE WITH A NAV LIGHT INOP AND NO LOGBOOK OR DEFERRED ITEM ENTERED.
Narrative: AFTER THE PREFLT, THE FE NOTIFIED THE MECH THAT ONE OF THE NAV LIGHTS WAS BURNT OUT. THE MECH CAME UP TO THE COCKPIT AND INFORMED THE CAPT THAT IT WAS COMPLICATED AND WE MIGHT BE DELAYED. THE CAPT ASKED HOW MANY LIGHTS WE HAD OUT THERE. THE MECH SAID 2. WE HAVE SOME PLANES IN THE FLEET WITH 2 BULBS ON BOTH SIDES AND THE CAPT THOUGHT WE HAD ONE OF THOSE PLANES ON THIS FLT. WE TOOK OFF WITHOUT THE MECH FIXING THE NAV LIGHT. WHEN WE GOT TO OUR DEST, THE MECH CAME INTO THE COCKPIT AS THE DOOR OPENED AND INFORMED US THAT WE HAD NO NAV LIGHT ON ONE SIDE. IT TOOK THE MECH ABOUT 10 MINS TO FIX IT AND WE CONTINUED WITH THE NEXT FLT.
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.