# SDR J7SA45341090709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2009
- Submitted: September 11, 2009
- Operation: Air carrier
- Aircraft: [N439FX](https://openairdocs.org/aircraft/N439FX), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 45341
- Aircraft time: 1,620 hours, 1,228 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Squat Switch
- Part number: 444EN2R
- Condition: Failed
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA45341090709

## Discrepancy

UPON GEAR EXTENSION, NLG SHOWED IN-TRANSIT HASH MARKS BUT NO GREEN DOWN IND.  RECYCLED AND MLG DID NOT RETRACT AND NLG REMAINED IN-TRANSIT. MANUAL FREE FALL ALL GEAR GREEN AND IN-TRANSIT FOR MLG ON (NORMAL FOR FREE FALL).  NLG GREEN AND NO IN-TRANSIT LIGHT.  ALTERNATE GEAR RELEASE PROCEDURE PERFORMED SUCCESSFULLY.  IFE DECLARED.  LANDING AND TAXI UNEVENTFUL. REPLACED RT OTBD S-34 SQUAT SWITCH.  NWS AND TAXI CHECK OF THE ACFT WERE ALL SATISFACTORY. C/W MULTIPLE GEAR SWINGS.  GEAR SWINGS AND ALL INDICATIONS CHECK GOOD ON GROUND AT THIS TIME.

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