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B737 flight crew is issued a crossing restr and programs the FMC but neglects to verify the descent is activated inbound to dca.
| Attributes | |
| ACN | 520070 |
| Time | |
| Date | 200107 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | intersection : druzz |
| State Reference | VA |
| Altitude | msl single value : 29000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Flight Phase | descent : vacating altitude descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 231 flight time total : 3150 flight time type : 231 |
| ASRS Report | 520070 |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met non adherence : clearance |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
ZOB at FL290. Assigned FL240. Put FL240 in MCP and in CDU and hit VNAV button, but it did not take. Did not notice it for an estimated 1-2 mins. Then initiated descent and then given a clearance to cross druzz at 15000 ft. We complied with the restr. ATC did not mention anything.
Original NASA ASRS Text
Title: B737 FLT CREW IS ISSUED A XING RESTR AND PROGRAMS THE FMC BUT NEGLECTS TO VERIFY THE DSCNT IS ACTIVATED INBOUND TO DCA.
Narrative: ZOB AT FL290. ASSIGNED FL240. PUT FL240 IN MCP AND IN CDU AND HIT VNAV BUTTON, BUT IT DID NOT TAKE. DID NOT NOTICE IT FOR AN ESTIMATED 1-2 MINS. THEN INITIATED DSCNT AND THEN GIVEN A CLRNC TO CROSS DRUZZ AT 15000 FT. WE COMPLIED WITH THE RESTR. ATC DID NOT MENTION ANYTHING.
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.