# SDR HNAA0300018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2003
- Submitted: April 3, 2003
- Operation: Air carrier
- Aircraft: N337EN
- Make and model: Dhav DHC8311
- Aircraft serial: 284
- Aircraft time: 21,756 hours, 24,417 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Antenna
- Part number: 1010531AB2K
- Condition: Broken
- Location: Comms
- Part time: 21,756 hours, 24,417 cycles
- Stage of operation: CL
- 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/HNAA0300018

## Discrepancy

CREW REPORTED VIBRATION DURING CLIMBOUT, WITH INCREASING INTENSITY.  AIRCRAFT RETURNED TO FIELD.  FOUND PORTION OF LOWER COMM ANTENNA MISSING.  REPLACED ANTENNA.

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