# SDR M17F202311010001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2023
- Submitted: November 1, 2023
- Operation: General aviation
- Aircraft: [N825AM](https://openairdocs.org/aircraft/N825AM), registered now
- Make and model: Boeing 737852
- Aircraft serial: 36699
- System (JASC): [3451 · DME/TACAN System](https://openairdocs.org/jasc/3451)
- Part: Tcas System
- Part number: 900350010905
- Part serial: TSE02889
- Condition: Unserviceable
- Location: Zone 100
- Part time: 21,035 hours, 7,570 cycles
- Stage of operation: DE
- How discovered: L
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/M17F202311010001

## Discrepancy

TCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS WITH ATC TRANSPONDER SELECTOR AT TA AND SHOWS WITH SELECTOR AT TA/RA FRM 34437000  //  DURING DESCENTTCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS AGAIN FRM 344370000.

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