Service difficulty report · Power Supply · Boeing 767323

Difficulty date
December 6, 2017
Submitted
December 11, 2017
Operation
Air carrier
Aircraft
N390AA
Make and model
Boeing 767323
Aircraft serial
27450
Aircraft time
91,763 hours, 14,749 cycles
Part
Power Supply
Part number
20121
Part serial
21565
Condition
Faulty
Location
Cabin
Part time
7,208 hours, 1,313 cycles
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

AIRCRAFT WAS GROUNDED. ESCAPE PATH LIGHT RIGHT HAND ROW 20 AND 21, INOPERABLE. FOUND POWER SUPPLY AT M1209 FAULTY. REPLACED POWER SUPPLY (CHARGER) PER AMM 33-51-07.