Service difficulty report · Test Switch · Doug MD11F

Difficulty date
December 15, 2015
Submitted
December 21, 2015
Operation
Air carrier
Aircraft
N595FE
Make and model
Doug MD11F
Aircraft serial
48553
Aircraft time
77,496 hours, 14,948 cycles
Part
Test Switch
Condition
Stuck
Location
Emergency Lights
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

ON CAPTAINS PREFLIGHT, EMER LIGHT TEST DOES NOT SHOW ON ND. POST-FLIGHT CHECK; FOUND "EMER LITE BAT 1 LO" ALERT ON EAD. FOUND EMER LITE TEST SWITCH, S1-402, IS STUCK IN THE TEST POSITION CAUSING EMER LITES TO ILLUMINATE CONTINUOUSLY WHILE ARMED. R&R TEST SWITCH IAW MD11 ELEC SMP. EMER LITE OPS CHECK SATISFACTORY REF MD11 AMM 33-50-00-5. MEL CLEARED.

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