# SDR KNN2008F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2008
- Submitted: September 19, 2008
- Operation: Air carrier
- Aircraft: N326DL
- Make and model: Boeing 737232
- Aircraft serial: 23098
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Bolt
- Condition: Worn
- Location: Trim Tab Hinge
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KNN2008F00000

## Discrepancy

IN FLIGHT AGGRESSIVE VIBRATION FELT AT VARIOUS AIRSPEEDS 190 KTS-290 KTS, ALTITUDE STARTING AT 10,300 FT NOT RELENTING UNTIL WELL BELOW 190 KTS. (K)

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