Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
March 17, 2026
Submitted
March 24, 2026
Operation
Air carrier
Aircraft
N280AK
Make and model
Boeing 737990ER
Aircraft serial
60582
Aircraft time
29,848 hours, 9,510 cycles
Part
Power Supply
Part number
D71702001
Part serial
154516
Condition
Inoperative
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 LIGHTS ASSOCIATED WITH POWER SUPPLY M2816 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMER LIGHT PWR SUPPLY S/N 154516 AT M2816 IAW B737NG AMM 33-51-06-960-806. OPS TEST GOOD.