# SDR SIMA20210502003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N237NN](https://openairdocs.org/aircraft/N237NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000575
- Aircraft time: 11,925 hours, 7,835 cycles
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Vhf Comm
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20210502003

## Discrepancy

COMM 1 INTERMITTENTLY INOPERATIVE DURING CLIMBOUT-COMM 1 STATIC AND NOISE AND POOR RECEPTION WICH DETERIERATED BEGINNING ABOUT 30 MINUTES INTO FLIGHT AND REMAIND FOR DURATION OF FLIGHT- NO RECPTION ON COMM 1 AT END OF FLIGHT. AND FOR REMANDER OF FLIGHT DECLARED EMERGENC-C/A-T/S PER FIM 23-12-00-810-868. PER STEP D(3) SUSPECT STATIC BUILD UP DUE TO EXCESSIVE APPLIED AND DEGRADED SPEEDTAPE. REF ITEM 3 OF LP 4696397, ITEMS 1,2 AND OF LP 4696398 AND ITEMS 1 AND 2 OF LP 4696399 FOR SPEEDTAPE RAR. OPC OF VHF COM SYS GOOD IAW AMM 23-12-00.

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