# SDR HEEA966686

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N131AE](https://openairdocs.org/aircraft/N131AE), registered now
- Make and model: Bolkms BO105S
- Aircraft serial: S787
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Transceiver
- Part number: 40001452502
- Condition: Failed
- Location: Cockpit Vhf
- Component: RT138F
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA966686

## Discrepancy

GUARD LIGHT STAYS ON, CAN'T TRANSMIT OR RECEIVE ON GUARD FREQUENCY WHEN CONTROL UNIT SWITCHED ON CHANNEL 2-15. VERIFIED GUARD RECEIVER VERY INTERMITTENT.  TROUBLESHOT AND REPAIRED COLD SOLDIER JOINT ON J11 OF GUARD RECEIVER BOARD.  ADJUSTED FREQUENCY AND MIC GAIN.  UNIT BENCH CHECK GOOD.

---
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.