Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
February 7, 2023
Submitted
February 8, 2023
Operation
Air carrier
Aircraft
N248AK
Make and model
Boeing 737990ER
Aircraft serial
62469
Aircraft time
23,600 hours, 7,688 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Main Passenger C
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 EXIT AISLE LIGHTS @ 25DEF, 29DEF, AND AFT CENTER INOP. GROUNDED - YES. VERIFIED EMERGENCY LIGHTS AT AISLE SEATS 25DEF & 29DEF INOP. REPLACED EMERGENCY LIGHTING POWER SUPPLY REF B737-900 AMM 33-51-06-960-806.