Service difficulty report · Power Supply · Boeing 737823

Difficulty date
September 28, 2025
Submitted
October 2, 2025
Operation
Air carrier
Aircraft
N805NN
Make and model
Boeing 737823
Aircraft serial
31075
Aircraft time
47,850 hours, 20,180 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulty
Location
Zone 200
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 WAS NOT GROUNDED: EXTERIOR EMERGENCY LIGHT INOPERATIVE BEHIND LEFT AFT OVERWING EMERGENCYEXIT. CHECKED LIGHT TERMINALS FOR VOLTAGE PER WDM 33-51-13, NO VOLTAGE PRESENT. REMOVED AND REPLACED POWER SUPPLY (M1670). PER AMM 33-51-04. OPERATIONAL CHECK GOOD.