Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
March 21, 2022
Submitted
March 25, 2022
Operation
Air carrier
Aircraft
N251AK
Make and model
Boeing 737990ER
Aircraft serial
62470
Aircraft time
20,652 hours, 6,747 cycles
Engine
Ge CFM567B24
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Fwd Cabin Ceilin
Stage of operation
IN
How discovered
C
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 LIGHTS AT R1 DOOR INOP GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2816 AND INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806