Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
November 9, 2024
Submitted
November 14, 2024
Operation
Air carrier
Aircraft
N483AS
Make and model
Boeing 737990ER
Aircraft serial
36350
Aircraft time
34,220 hours, 10,578 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulted
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

EMERGENCY LIGHT POWER SUPPLY M1671 REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1671 AND PERFORMED INSTALLATION TEST PER B737-900 AMM 33-51-06-960-806. TEST GOOD.