SDR CA070327005

Service difficulty report · Proximity Switch · Piper PA31325

Difficulty date: March 22, 2007
Submitted: May 1, 2007
Operation: General aviation
Make and model: Piper PA31325
Aircraft time: 11,697 hours
Engine: Lyc TIO540F2BD
Propeller: Hartzl HCE3YR2A
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Switch
Part number: 487862
Condition: Failed
Location: Mlg
Stage of operation: IN
How discovered: 9
Nature of condition: N
Precautionary procedure: K

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

What was found

(CAN) MAINTENANCE COULD NOT DUPLICATE FAULT ON GROUND WITH AIRCRAFT ON JACKS. CYCLED GEAR 20 TIMES FAULT FREE. WIRING CHECKED,OK, RIGGING CHECKED OK, HYDRAULIC POWER PACK CHECKED, OK. CORRECTIVE ACTION TO REPLACE ALL 6 LANDING GEAR PROXIMITY SWITCHES. (TC NR 20070327005)

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