# SDR UIEA2025030190216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2025
- Submitted: March 20, 2025
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- Aircraft time: 111,285 hours, 24,569 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Antenna
- Part number: 071500018102
- Part serial: TLS33506
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025030190216

## Discrepancy

CORROSION ON BOTTOM TCAS ANTENNA.(<P>TCAS ANTENNA BOTTOM WAS REPLACED, ON P/N 071-50001-8102 S/N 582-34534, OFF P/N 071-50001-8102 S/N TLS33506. TEST SATISFACTORY. IAW. AMM 34-45-02-344-160 REV 144 DATE 22DEC24. TORQUE APPLIED 22.5 IN.LB S/N 924401137 DATE 30SEP25. BONDING TEST 0.913 MILIOHMS S/N B0005830 DATE 04JUL25. NO FURTHER DEFECTS NOTED.</P>)

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