Service difficulty report · Control Unit · Boeing 7879

Difficulty date
October 27, 2018
Submitted
October 29, 2018
Operation
Air carrier
Aircraft
N837AN
Make and model
Boeing 7879
Aircraft serial
40658
Aircraft time
621 hours, 80 cycles
Part
Control Unit
Condition
Faulted
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

DURING A MAINTENANCE CHECK, FOUND THE L1 DOOR EXIT LIGHT FAULT MESSAGE 33-11601 ACTIVE. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE EMERGENCY LIGHT CONTROL UNIT AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW MM 33-51-07.

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