# SDR 2001UALA00981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2001
- Submitted: July 10, 2001
- Operation: Air carrier
- Aircraft: N325UA
- Make and model: Boeing 737322
- Aircraft serial: 23957
- Aircraft time: 40,189 hours, 20,726 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Safety Switch
- Condition: Faulty
- Location: Mlg
- Stage of operation: NR
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA00981

## Discrepancy

UNSCHEDULED LANDING DUE TO PARTIAL ELECTRICAL FAILURE. *S/D*  REPLACED S105 GROUND SENSING SAFETY SWITCH.  M990 GROUND SENSING SQUAT SWITCH IN THE E11 LANDING GEAR LOGIC SWITCH REPLACED PRECAUTIONARY.

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