# SDR 99ZZZX2418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N95CK](https://openairdocs.org/aircraft/N95CK), registered now
- Make and model: Lear 25D
- Registry model: [Lear 25D](https://openairdocs.org/model/gates-learjet-25d) (OpenAirDocs)
- Aircraft serial: 248
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Radio
- Part number: VHF20A
- Condition: Malfunctioned
- Location: E/E Bay
- Component: Collins
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2418

## Discrepancy

REPLACED NR 1 COMM ANTENNA WITH NEW UNIT, PN VF10-347, SN 414.  REPAIRED COAX END AT FRAME NR 5 FOR NR 2 COMM AND REPLACED NR 2 COMM WITH SERVICEABLE UNIT MODEL VHF20A, SN 14386.  AIRCRAFT HAD LOST ALL COMMUNICATIONS UNTIL THEY WERE CLOSE TO THE STATION.  COMM ANTENNA, P/N VJ10-347, S/N 3393.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
