# SDR AALA20091203DFW05

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2009
- Submitted: April 7, 2010
- Operation: Air carrier
- Aircraft: N7528A
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49920
- Aircraft time: 56,813 hours, 29,158 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Radio Altimeter
- Condition: Failed
- Location: Nr 1
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20091203DFW05

## Discrepancy

GEAR UNSAFE INDICATION AND GPWS WARNING.  LANDED DFW WITHOUT INCIDENT.  REPLACED NUMBER ONE RADIO ALTIMETER.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.