Service difficulty report · Power Supply · Boeing 737823

Difficulty date
October 27, 2022
Submitted
October 28, 2022
Operation
Air carrier
Aircraft
N930NN
Make and model
Boeing 737823
Aircraft serial
33487
Aircraft time
27,260 hours, 11,502 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Emergency Lights
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

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING BATTERY PACK POWER SUPPLY M1675 FAILS OPERATIONAL TEST. INOPERATIVE. REPLACED BATTERY PACK POWER SUPPLY PER AMM 33-51-06-960-806.