# SDR ASAA0954264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2009
- Submitted: January 22, 2009
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 4,947 hours, 1,438 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0954264

## Discrepancy

OVERSPEED TO ACFT PAST MMO TEMPORARILY FOR 2 SECOND AT TOP OF DESCENT VNAV SPD DID NOT ENGAGE AS IT SHOULD ON THE COMMON VNAV PACKAGE. GROUNDED YES.  CAPT REPORTED OVERSPEED OF APPROX 5KTS FOR 2 SEC. OVERSPEED WITHIN LIMITS PER MM 05-51-04 PARA G NO INSP REQ.  BOTH FMC'S OPS TEST NORMAL PER MM 34-61-00-710-801 NO DEFECTS NOTED.  VERIFICATION FLIGHT SUCCESSFUL.

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