# SDR ASMF2018051500004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2018
- Submitted: May 15, 2018
- Operation: Air carrier
- Make and model: Boeing 737752
- Aircraft serial: 32842
- Aircraft time: 42,754 hours, 21,583 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Computer
- Part number: 751790010012
- Part serial: 03076021
- Condition: Failed
- Location: Tcas
- Part time: 42,754 hours, 21,583 cycles
- Stage of operation: NR
- 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/ASMF2018051500004

## Discrepancy

CAPTAIN REPORTED TCAS FAIL FLAG 344 370 00. MAINTENANCE PERFORMED A REVISION IAW AMM 34-45-01.  CONFIRMED FAILURE, THE TCAS COMPUTER WAS REPLACED IAW AMM 34-45-01, ALL TESTED GOOD.

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