Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
November 21, 2024
Submitted
November 26, 2024
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
40,825 hours, 12,752 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Zone 200
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

LEFT OVERWING EXIT LIGHTS ARE INOP. GROUNDED - YES. REMOVED AND REPLACED M1670 POWER SUPPLY IAW B737-900 AMM 33-51-06-960-806. OPS CHECK GOOD.