Service difficulty report · Sensor · Emb EMB145LR

Difficulty date
November 23, 2019
Submitted
November 25, 2019
Operation
Air carrier
Aircraft
N685AE
Make and model
Emb EMB145LR
Aircraft serial
14500836
Aircraft time
37,444 hours, 32,910 cycles
Part
Sensor
Condition
Out Of Adjust
Location
Mlg Wow
Stage of operation
CL
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

LG AIR/GND FAIL MSG ON EICAS SHORTLY AFTER TAKE OFF-C/A-FOUND CMC MSG FOR RH & LH MLG WOW SWITCH FAIL, FOUND FWD AND AFT WOW SWITCH GAP OUT OF MAXIMUM LIMIT AT THE LH LG AND ADJUSTED BOTH TO THE MINIMUM GAP IAW EMB145 AMM 32-63-05. PERFORMED OHM AND INSULATION TEST OF HARNESS BETWEEN RH & LH MLG WOW CONNECTORS FOR #1 & #2 SWITCHES AND THE CONNECTORS AT THE LGEU P1763 & P1764 IAW WM 32-61-50 AND SWPM 20-20-03, OPC GOOD NO DEFECTS NOTED. PERFORMED FUNCTIONAL TEST OF THE RH AND LH WOW PROX SWITCHES IAW ETN-EM-32-245, OPC GOOD.

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