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B767-300 crew diverted to jfk for standby navigation system repair. Entering class ii airspace without all navigation system working is not permitted.
| Attributes | |
| ACN | 508861 |
| Time | |
| Date | 200104 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zfw.artcc |
| State Reference | TX |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight attendant : on duty |
| Qualification | flight attendant : currently qualified |
| Experience | flight attendant time airline total : 15 flight attendant time total : 15 flight attendant time type : 90 |
| ASRS Report | 508861 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance controller : provided flight assist flight crew : diverted to another airport none taken : detected after the fact other |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Shortly after takeoff. The purser informed us that the backup navigation system was inoperative and that we would be landing at jfk to have it repaired. We were told to modify the service if necessary to finish in approximately 2.5 hours. During the meal service the plane started to 'buck' violently, flying nose high. Inserts fell from overhead stowage compartments and liquids slushed from their containers. The seatbelt sign was not on. I called the cockpit and was informed that the speed brakes were on in order to increase fuel burn. I explained the cabin situation and asked that the seatbelt sign be turned on. The pilot I spoke to did so and told me they would smooth it out soon. The 'bucking' continued for some time. At no time were we told to stow carts and be seated. We landed at jfk about XD00 and were back in the air in approximately 1 1/2 hours. There was no further incident.
Original NASA ASRS Text
Title: B767-300 CREW DIVERTED TO JFK FOR STANDBY NAV SYS REPAIR. ENTERING CLASS II AIRSPACE WITHOUT ALL NAV SYS WORKING IS NOT PERMITTED.
Narrative: SHORTLY AFTER TKOF. THE PURSER INFORMED US THAT THE BACKUP NAV SYS WAS INOP AND THAT WE WOULD BE LNDG AT JFK TO HAVE IT REPAIRED. WE WERE TOLD TO MODIFY THE SVC IF NECESSARY TO FINISH IN APPROX 2.5 HRS. DURING THE MEAL SVC THE PLANE STARTED TO 'BUCK' VIOLENTLY, FLYING NOSE HIGH. INSERTS FELL FROM OVERHEAD STOWAGE COMPARTMENTS AND LIQUIDS SLUSHED FROM THEIR CONTAINERS. THE SEATBELT SIGN WAS NOT ON. I CALLED THE COCKPIT AND WAS INFORMED THAT THE SPD BRAKES WERE ON IN ORDER TO INCREASE FUEL BURN. I EXPLAINED THE CABIN SIT AND ASKED THAT THE SEATBELT SIGN BE TURNED ON. THE PLT I SPOKE TO DID SO AND TOLD ME THEY WOULD SMOOTH IT OUT SOON. THE 'BUCKING' CONTINUED FOR SOME TIME. AT NO TIME WERE WE TOLD TO STOW CARTS AND BE SEATED. WE LANDED AT JFK ABOUT XD00 AND WERE BACK IN THE AIR IN APPROX 1 1/2 HRS. THERE WAS NO FURTHER INCIDENT.
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.