SDR 97ZZZX1886

Service difficulty report · Thermostat · Lear 35A

Difficulty date: April 3, 1997
Submitted: March 26, 2000
Operation: General aviation
Filed by: JKIR235M
National Jets Maintenance LLC
Aircraft: N2FOR
Make and model: Lear 35A
Aircraft serial: 161
System (JASC): 3040 · Windshield/Door Rain/Ice Removal
Part: Thermostat
Part number: 66001413
Condition: Failed
Location: Windshield Sw
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

REMOVED FAILED SWITCHES, PURCHASED NEW FROM LEAR, TESTED AND FOUND FAILED, HAD SWITCHES TESTED BY LAB AND FAILED. REPLACEMENTS FROM LEAR FAILED, ONE OUT OF TWO, 2 TIMES. RECOMMEND LEAR RE-INITIATE TEST PROGRAM ON THEIR SWITCHES LIKE THEY USED TO DO.

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