# SDR DHL99741002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N741DH
- Make and model: Boeing 727-2Q9
- Registry model: [Boeing 727-2Q9](https://openairdocs.org/model/boeing-727-2q9) (OpenAirDocs)
- Aircraft serial: 21931
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: 6222224001
- Condition: Inoperative
- Location: Nr 1 & 2
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A, J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL99741002

## Discrepancy

TRANSPONDER NR 1 AND NR 2 INOP AS REPORTED BY ATC DURING CLIMBOUT.  REMOVED AND REPLACED TRANSPONDERS PER MM 34-45-1.

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