# SDR FDEA201811273378

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2018
- Submitted: November 27, 2018
- Operation: Air carrier
- Aircraft: [N594FE](https://openairdocs.org/aircraft/N594FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48552
- Aircraft time: 82,392 hours, 16,697 cycles
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: 751780010400
- Part serial: 99082485
- Condition: Inoperative
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201811273378

## Discrepancy

AT 1 30 HRS INTO FLIGHT, RECEIVER LEVEL 1 TRANSPONDER 1 FAIL. SWITCHED TO TRANS 2 AND RECEIVED TRNSP 2 FAIL. BOTH TRANSPS INTERMITTENTLY FAILED REMAINING FLIGHT. TRANSPORTER 1 REPLACED SYSTEM 1 AND 2 FIM TASK 34-54-00-1, TEST OK. NO FAULTS REV NOV 1/2010. REPLACED AS PER AMM REMOVAL/ INSTALLATION TASK 34-54-01-000-811 REV 91.6, TEST PASSED. OK FOR SERVICE P/N 7517800-10400 S/N OUT 99082485 S/N INXSE09117.

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