# SDR AALA20061161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2006
- Submitted: December 13, 2006
- Operation: Air carrier
- Aircraft: N173AN
- Make and model: Boeing 757223
- Aircraft serial: 32399
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Relay
- Condition: Inoperative
- Location: Mlg
- Stage of operation: CL
- 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/AALA20061161

## Discrepancy

MIA - AFTER GEAR RETRACTION, GOT NOSE AIR GROUND DISAGREE STATUS MESSAGE. RETURNED TO MIA AND LANDED WITHOUT INCIDENT.  REPLACED SYSTEM ONE AIR GROUND RELAY K177.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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