Service difficulty report · Switch · Doug MD11F

Difficulty date
December 22, 2015
Submitted
December 24, 2015
Operation
Air carrier
Aircraft
N522FE
Make and model
Doug MD11F
Aircraft serial
48476
Aircraft time
75,050 hours, 13,129 cycles
Part
Switch
Part number
W20130
Condition
Failed
Location
Emergency Lights
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DURING PREFLIGHT FOUND EMER LIGHT TEST BUTTON INTERMITTENT. EMERGENCY LIGHT TEST FUNCTION INOPERATIVE. EMERGENCY LIGHT FUNCTION WORKS NORMAL. TROUBLESHOT IAW WDM 33-51-01. CONFIRM TEST SWITCH FAULTY. R & R EMERGENCY LIGHT TEST SWITCH IAW SWPM 20-20-03. OPS CHECKED GOOD IAW AMM 33-50-00-5. ACFT OK FOR SERVICE.

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