Service difficulty report · Squat Switch · Lear 45LEAR

Difficulty date
September 7, 2009
Submitted
September 11, 2009
Operation
Air carrier
Aircraft
N439FX
Make and model
Lear 45LEAR
Aircraft serial
45341
Aircraft time
1,620 hours, 1,228 cycles
Part
Squat Switch
Part number
444EN2R
Condition
Failed
Location
Mlg
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.