# SDR 99ZZZX2654

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N9414L
- Make and model: Gulstm AA1A
- Aircraft serial: AA1A0219
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: 066010620000
- Condition: Malfunctioned
- Location: Cockpit
- Component: King
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2654

## Discrepancy

THE SPECIFICATION FOR PULSE WIDTH IS 450 NS PLUS/MINUS 70 NS.  THE NEW UNIT HAD A PULSE WIDTH OF 545 NS.

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