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Air carrier large transport flight crew forgot to make aircraft log book entry following an asymmetrical flap landing with GPWS deactivated. Aircraft departure with GPWS on but not safety wired.
| Attributes | |
| ACN | 83608 |
| Time | |
| Date | 198803 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ewr |
| State Reference | NJ |
| 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 | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | ground : parked ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 215 flight time total : 10000 flight time type : 5600 |
| ASRS Report | 83608 |
| Person 2 | |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | non adherence : far non adherence other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
The situation occurred following an asymmetric flap landing at newark. We were concerned about getting the flap problem repaired prior to the next flight and consequently overlooked a procedure associated with the flap problem. During the asymmetric flap procedure the GPWS switch is turned off. A maintenance entry should have been made to check and reinstate the GPWS system. We first realized our error after departure on the next flight. The GPWS switch was on and the safety cover down but not safety wired. Proper maintenance action was taken after landing. We discovered our problem at 2000' and were given clearance to climb to 3000'. It was quite turbulent and the radio calls frequent which made the accomplishment of our checklist a task. I believe we were so relieved after landing that we were lulled into not reviewing the event and thereby overlooking the associated problem.
Original NASA ASRS Text
Title: ACR LGT FLT CREW FORGOT TO MAKE ACFT LOG BOOK ENTRY FOLLOWING AN ASYMMETRICAL FLAP LNDG WITH GPWS DEACTIVATED. ACFT DEP WITH GPWS ON BUT NOT SAFETY WIRED.
Narrative: THE SITUATION OCCURRED FOLLOWING AN ASYMMETRIC FLAP LANDING AT NEWARK. WE WERE CONCERNED ABOUT GETTING THE FLAP PROBLEM REPAIRED PRIOR TO THE NEXT FLIGHT AND CONSEQUENTLY OVERLOOKED A PROCEDURE ASSOCIATED WITH THE FLAP PROBLEM. DURING THE ASYMMETRIC FLAP PROCEDURE THE GPWS SWITCH IS TURNED OFF. A MAINT ENTRY SHOULD HAVE BEEN MADE TO CHECK AND REINSTATE THE GPWS SYSTEM. WE FIRST REALIZED OUR ERROR AFTER DEPARTURE ON THE NEXT FLIGHT. THE GPWS SWITCH WAS ON AND THE SAFETY COVER DOWN BUT NOT SAFETY WIRED. PROPER MAINT ACTION WAS TAKEN AFTER LANDING. WE DISCOVERED OUR PROBLEM AT 2000' AND WERE GIVEN CLRNC TO CLIMB TO 3000'. IT WAS QUITE TURBULENT AND THE RADIO CALLS FREQUENT WHICH MADE THE ACCOMPLISHMENT OF OUR CHECKLIST A TASK. I BELIEVE WE WERE SO RELIEVED AFTER LANDING THAT WE WERE LULLED INTO NOT REVIEWING THE EVENT AND THEREBY OVERLOOKING THE ASSOCIATED PROBLEM.
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.