Service difficulty report · Control Unit · Boeing 7878

Difficulty date
August 28, 2025
Submitted
August 29, 2025
Operation
Air carrier
Aircraft
N45905
Make and model
Boeing 7878
Aircraft serial
34825
Aircraft time
48,838 hours, 6,058 cycles
Part
Control Unit
Part number
100260103
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DOOR 4L EMERGENCY LIGHTS INOP. REMOVED AND REPLACED WELS CONTROL BOX AT DOOR 4L IN REF 33-51-07. DOWNLOAD SOFTWARE. OPS CK GOOD.

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