Service difficulty report · Control Unit · Boeing 7878

Difficulty date
December 4, 2023
Submitted
December 20, 2023
Operation
Air carrier
Aircraft
N805AN
Make and model
Boeing 7878
Aircraft serial
40623
Aircraft time
30,647 hours, 4,104 cycles
Part
Control Unit
Part number
100260103
Condition
Inoperative
Location
Zone 200 - Fuse
Stage of operation
NR
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

AIRCRAFT WAS NOT GROUNDED: EXTERNAL EMERGENCY EXIT LIGHT EXTERIOR 4L AND 4R INOPERATIVE. **SUPPLEMENTAL REPORT FOR AALA202312043445: REPLACED WELS CONTROL UNIT 20 (AALA202312043445) AND BATTERY (AALA202312203279) PER AMM 33-51-07. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.**(CLOSED).

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