# SDR CHQA201100141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2011
- Submitted: April 21, 2011
- Operation: Air carrier
- Aircraft: N265SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145226
- Aircraft time: 27,572 hours, 21,907 cycles
- Engine: Allsn AE3007A
- Engine time: 26,308 hours, 21,056 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Computer
- Part number: 7061840937
- Part serial: 0211A571
- Condition: Inoperative
- Location: Radio Altimeter
- Part time: 19,942 hours, 16,372 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHQA201100141

## Discrepancy

CREW REPORTED GPWS FAIL, TERRAIN INOP, AND RADIO ALTIMETER 1 FAIL MESSAGES AND DIVERTED TO CMH DUE TO WEATHER WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED THE NR 1 RADIO ALTIMETER COMPUTER WITH NO FURTHER DEFECTS NOTED.

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